I know I'll have forgotten some, but here's what I can think off of the top of my dome
- CoD4, World at War, MW2, Black Ops...I finally stopped buying CoDs day 1 at MW3...but sadly I still bought it at full price later on
- Fallout New Vegas
- NHL 12
- Resistance 2
- Gran Turismo 5
- Forza 4
- Skyrim
...probably more, but that's what I can think of
Other games I'll buy day 1 this gen include Fallout 4, GTA5, Black Ops 2 (I still support 3arc, but not IW)