My Sallie list,
I don't have Chris's list
The Sallies won Blitz and T&H, 2 - 0. This was a game of disappointment. Teleporting Grey Knights failing activations. Teleporting Sallies failing to win initiative. A lone rhino winning an engagement with a Thawk. A last activation Drop securing Blitz and T&H.
I never felt abused with the entire Grey Knights coming from reserve. Nor was the invulnerable save to swing the results. No engagement was over the top. I would recommend larger detachment size. As the Knights lack staying power once on the table. My up sized detachments could weather an assault that needed to smash them.