Based on your original post, I would recommend the PS3. Only because you said you didn't care about Halo and CoD. If those were your type of games, then the 360 is where you would go. Since you dont, PS3 is the way as it has a wide selection of games and genres that are covered by it that you will not find on other consoles. A sizeable selection of 360 console exclusives come out on PC, so if you have a PC you can get them anyway, although i am not sure how crappy your pc is.
I don't need to give you a list of PS3 games that are excellent, im sure people in this thread already told you and all that info is on the net. If you are looking for more diversity in your gaming, PS3 is definately the way to go.