-Next to BioShock, CoD4 is the best FPS this gen.

-ACiT is nothing like QfB.

-Everyone sucks in UT3 online. But it has splitscreen co-op.

-Prince of Persia is pretty good, but the other three are better.

The problem with Burnout Paradise is that there's no way to know where the fuck your supposed to turn during races, and you cant pause them. That's just f'ing annoying. A part from that, the game is great, graphics aren't outdated, and it's the kind of game you can pick up anyday, and have fun with for an hour or so. I recommend it. Try the demo, see if you like the handling, and that's it.

Do you like Sports Game? The fifa series is now incredibly deep, and in terms of gameplay, it's a very satisfying (?) experience.

Ninja Gaiden, you should get a try with this one...

^^
I just played the burnout demo. Its confusing and the camera sucks.

Ok u can rule that one out. I love the fact that demos are so widespread nowadays, I remember growing up with the N64, being the only kid in scool having it and their being no demos. I made some pretty ugly buys back then, because of that.

I suck for forgetting Critter Crunch!

And Call of Duty 4 is my personal favorite FPS this generation. It's a damn fine game.

And Prince of Persia is great, if you're into that kind of game. I'd recommend reading up on before you buy it

Finally, Siren has aweful controls and aweful camera. It's just so annoying, you forget to be scared!

I'm afraid I suck badly at Ninja Gaiden. I'll get sigma 2 anyway.

Wipeout Fury ( you listed HD but not Fury, you need Fury in your life.)
Leave out SFIV and get SSFIV instead.