I didn't even think about Dragonball Z. Thats going to be a pretty big title for a lot of people. GRID is one that I thought about adding, but with GT: P just released recently I decided against it. However it should have been added so thank you.
There is also another Horror title coming out that I couldn't remember the title of, but from a podcast I listened to they said it plays similar to Uncharted. I will see if I can track that one down.
Sadly I know nothing about Soulcalibur, never played any of them, but if there are 4 of them it must have a following so good add
EDIT: We can now add Bioshock to October! Holy crap am I going to be broke.