There's always a PES vs FIFA debate going on somewhere in the cyber world. I've always been a PES/WE player but I think last year was the first year that FIFA made me think about switching over. It's great how FIFA has all of the official licencing, but IMO PES has always had more tactically realistic gameplay (although the gap closed a bit in 2008). Hopefully some of the next-gen problems can be ironed out in PES 2009 and put it back to the undisputed top of my soccer gaming pedestal. Here's a preview of the new PES:
PES or FIFA?