I can't understand how anyone can think PES4 multiplayer is superior :\
It is so much more... cheap. It has so much less to do really with strategy, planning in advance and creativity; the most important skill seems like the ability to quickly juke back and forth and quickly pass as soon as you think you're going to lose the ball. Never use long passes, in PES4 they pretty much suck. All goals in PES4 seem like dirt goals to me.
I dunno, I just think PES5 improved the quality of the experience... and not just by a little bit. The difference in my multiplayer games with friends is like night and day. I mean in PES5 now you can regulate the flow of the game, you can actually put a stop to an attack by playing proper positioning (as opposed to ball rushing like in PES4)... formations make a much bigger difference, etc. With all this comes frustration from having to re-learn to play, but IMHO it's way worth it. And anyone who tried to play PES4 like real soccer (and I guarantee they would've been extremely jaded in the attempt) really won't have much of a learning curve at all with PES5, I don't think.
edit: pes4 reminds me of NBA jam