I think it's also silly to discount any games that are released on the 360/PC. On a technicality, they are not exclusive. But they ARE exclusive to consoles, and a lot of people who are shelling out a lot for a console aren't also going to be able to play those games on a high-end gaming PC, if they play PC games at all.

So even if they're not technically exclusive, games like Bioshock and Gears of War won't be available on the PS3.

Now, to answer you specifically:
Quote Originally Posted by Comet View Post
I'm not really interesed in online playing, to tell you the truth. I'm interested in third person shooters, adventure/action games and fantasy/RPG games. I know that once I get one of these consoles the first game I am getting is Oblivion. I really want Final Fantasy XIII, so at the moment I'm leaning towards the PS3 as my choice.
Do you just like third-person shooters, or do you enjoy first-person as well?

Here are some for those genres that you'd probably like right off the bat:
PS3: Uncharted, Ratchet and Clank, Ninja Gaiden Sigma, Heavenly Sword
360: Gears of War, Crackdown, Lost Planet, Mass Effect, Dead Rising, Ninja Gaiden Black (Xbox1), Hitman: Blood Money, Kameo, Tomb Raider: Legend, Gun.

Again, some of the 360 games aren't technically "exclusive" because they can be found on PC, will be on the PS3 in the future (Lost Planet) or can be found on older consoles (Hitman, Tomb Raider). And that was just a short list of action/adventure games that aren't available on both consoles; there are obviously tons of third-party ones.

Personally, I would advise against buying a PS3 due to a desire for FFXIII--I can't see it coming out until 2009. There's a lot of great stuff out now, and coming out way before then.