FIFA: Graphic, musics and good interface PES: Perfect game engine, realistic movements, playability I can' t make a decision but think both of two games are exciting.
PES is much better than FIFA..but the best one is virtual striker (an arcade game from sega..it is kind of rare outside of asia)
I like FIFA more because i'm much more used to it. But PES made a big impression on me when i first played it because of the highly realistic game engine. So both are good.
i have always liked FIFA but i guess i like the PES 2008 more than the FIFA 08. The gameplay of PES is more realistic.