What are some good games for me

[perfectdark]

Here is my background history

I had PS1 and PS2 then slowly migrated to the original Xbox and then Xbox360 which i like. I also still have the PS3 but only used it for bluray movie viewinig. Now my Xbox360 live gold membership has expired and i'm thinking hey why not just get Ps3 games as online is free.

My problems:
I am crap with the Ps3 controller, the left analog stick kills me and the right analog is awkward.. maybe i'm just to use to the xbox360's i dunno.

corrections:
Amazon has a wireless controller that has left analog stick moved to match xbox360's but has no motion sensor... or i have someone who for $200 will make me a PS360 controller (but these are my choices)

My Question To You Folks:
What games are worth me looking into? I liek the COD series i have COD5 on Xbox360 is it the same on PS3? I like FPS and the odd game like Fallout/Oblivion.. I just rented Killozne2 and so far i'm not liking it due to the controls (but that could change once i get use to them or grab one of the above controllers) I don't play the single player portion of any game (no time) i just do the online thing. I use to own Resisatnce2 but sold it, i liked the game but againi the controls... so maybe getting a controller is a start for me

I've read bad reviews for Socum (excuse spelling) so any advice would help, i want to use PS3 for gaming and not have to bother with my Xbox360 anymore

the last ga,es i actually got loads of enjoyment out of were:
Xbox360's Battlefield 2 Modern Combat & COD4