Well, after trying to buy every table-top miniature game under the sun many years ago, I accumulated a pretty huge collection, and realizing I was never going to be able to play 90% of it, I eventually set about purging all but what I thought were my absolute favorites. Now my absolute favorites were either games I played the hell out of, or just ones I thought were awesome and hoped to one day get into.
I also prefer to keep games that have some kind of starter set, and *TRY* to keep only what I can fit in that box. This helps limit my collection and keeps it easier to store, although there have been a few exceptions to this rule (Like Epic).
* So after the great purge some years ago, here's what I kept *
Epic Space Marine/Titan Legions ~ I lost a lot of stuff I meant to keep, during a move I think

which makes things tough as I am back into it. Rebuilding armies now to play with a friend and maybe family.
Man O' War ~ This is probably my single favorite game. I love Epic, but I really love Man O War. It is simply one of the most fun games I have ever played, and requires so few miniatures.
Battle of Stanrey and
Battle of Kalnock - I am sure you have never heard of these. These two japanese games are based on the old anime Dougram, which I loved as a kid. I wont tell the effort I went through and what I paid to get these two mint, but I loved Dougram as a kid, and still do, so it was worth it to me. Essentially, FASA ripped these games off to make Battletech, and while the games are limited in scope, they are prized favorites of mine. Do I ever play them? I think twice in the last 10 years.
http://boardgamegeek.com/boardgame/8780 ... of-stanreyhttp://boardgamegeek.com/boardgame/1416 ... of-kalnockWarhammer Quest ~ Fun game I can play with the family, and at one time I had both expansion sets but sold them, but have enough other extras to keep me occupied for a long time. There's a Warhammer Quest game out for the iphone which I have, and enjoyed it, but it doesnt have the magic the table top version has.
Vor the Maelstrom ~ Really great ruleset and a cool setting. Have decent sized armies for all the factions that were sold (really doesnt take much to make an army). Even though the quality of the minis are hit and miss, its Vor and I like them anyway. Even collected the novels which I normally don't do.
http://boardgamegeek.com/boardgame/4977 ... -maelstromBattleground Trinity ~ I LOVE THIS GAME. I havent been able to play it much but am happy to own it. Its skirmish game that packs a lot of great stuff in the starter set. Probably the best terrain ever to come out for a game at that time too. After I discovered it, I scoured the internet to pick up everything White Wolf released for it. Which wasnt much sadly as they killed support after 6 months. But its a jewel to me. Finding others that feel the same way? Near impossible. Based on some RPG I have never played. Also, a promotional poster with an explanation of the rules with a scenerio on the back was released and I thought that was really cool. The game also came with a mini RPG game for a skirmish in the Trinity universe. Very cool.
http://boardgamegeek.com/boardgame/3760 ... ttlegroundEpic 40k ~ I still have a lot of appreciation for this game although when it comes to playing, I would rather play SM2/TL. But there is just something about it I really like.
Warhammer 40k 2nd Edition ~ While I played Rogue Trader back in the day, I really wasnt crazy about it although I loved the universe. 2nd edition was the reboot I was waiting for and I played this system more than any other version of 40k. When I found a MIB box set on Ebay a few years ago I snagged it. Its kind of cartoony, but still something about it that hasnt been replaced in later editions. BTW, after 3rd I skipped 40k until Dark Vengeance came out...
Warhammer 40k 6th Edition ~ Very recent purchase as my collection goes, and I mostly love what GW has done with 40k. I went from not caring about 3rd, 4th, and 5th, to being blown away by 6th. And I really havent expanded much on what came in the Dark Vengeance Limited Version box set, I feel like I have all what I mostly need for now in just the starter set. I love the scenerios, and even bought the novella. Really smart move 'personalizing' the miniatures in the set, as opposed to the generic feel of the earlier editions. Still stunned a Land Raider sells for $70 now (when did that start happening???)
Necromunda ~ The old version. With Outlanders, and 4 gangs and an Arbite squad. Will prob never play it again, but this is one of those games where there is a whole universe in the box set and I just enjoy visiting it.
Void 1.1 ~ The miniatures are cheesy, the factions are silly, but its a pretty neat, fast paced game. I have the later box set and all of the army books and even the scenerio book, but just stuck to the early rulebook for my force lists, which I have armies for all the factions. And when I say armies, I mean like 15-20 miniatures.
http://boardgamegeek.com/boardgame/13742/voidWarlord - The first version. Everything I have fits in the starter set and thats probably why its still around. I never play it. But its small enough to where I can tuck it away and forget it.
http://boardgamegeek.com/boardgame/13647/warlordBattletech 2nd Edition - This is really the first miniature game I ever played, and it sucks. But, its on my shelf for nostalagia.
BTW the game I have played the most (which isnt a miniature game but deserves mention) is: CATAN. I, like many others, love that game. When we sit to pick out a game to play, usually that is what is settled on.
* Now here are some highlights of what I let go of *
Adeptus Titanicus/Space Marine ~ Yeah I did it. And I am kicking myself for it. I loved this system. I played this version of Epic more than any other. But I honestly thought, and still believe, that if I were going to take an edition off the shelf to play, it would be SM2/TL for its simplicity, and while I love the grit and detail of this earlier version, no one I know now would, and games just took so long to play out. But I miss the collection I had. Give me a moment while I reflect again on my stupidity...
Warmaster ~ While I loved the scale, the minis, I was never huge on the system, and without a proper box set to keep everything organized, I unloaded it. Can't say I have ever though, Oh man I wish I still had that. I know it was cool, but not cool enough.
Battlefleet Gothic ~ Surprising yes I got rid of it, after spending lots of $$$ on it. But it seemed to jump the shark and never recovered. I have never felt like, Oh I wish I could play BFG right now.
Mordheim ~ I regret this, but like Necromunda, in order to really get a lot of out of it, you have to maintain a band overtime, and I didnt think I would ever do that again. I had most of the bands too, and really liked them. Then I picked up those Warhammer Witchhunter novels and immediately wished I still had the game. Just to paint the models and stuff.
Warhammer ~ I think I had 5th edition... the one that came with Empire and Orcs. I was really impressed then, but I don't think its aged well. Like 40k, GW has gone leaps and bounds with the new stuff. I havent played the newer editions, but Fantasy is Fantasy, and I am never going to get back into it.
Warmachine ~ Bought some stuff, never really got into it. No idea how popular it is today, but I still see it and that Hordes game still around.
Warzone ~ I loved the old box set when I got it, the one that came with like 80 WWI looking bauhuas and english soldiers. I loved daemons with guns, and had most of the armies. But a lot of it was just cheesy, and I could never accept the fact that all of these corporations were along national lines. Just so dumb. Or and throw in a cybernetic corp. Dumb. I sold it off for nowhere near what I paid. That was dumb too. Would never play it again, but it would be cool to have kept it.
I unloaded a lot of games. Too many to list. Some cool, like
Pirates of the [b]Spanish Main and
HeroClix, to ones not worth listing (like
GROPOS,
Starsiege: Rebellion). Its crazy when you get into collecting what you spend your money on because you think you have to have it.
So all that said and done, what are your favs, and ones you got rid of and why?