Don't agree with that either. PES 2008 was a sham of a game and if it's comparable with PES5/6 then that's not saying much about them. KONAMI didn't change the important things rather making needless tweaks like waiting for the ref to blow the whistle before every freekick (wtf) or the poor ball control, physics, horrible menu, crap music and less flowing game play.
I'd be very happy if PES 2009 was more like PES6 than 2008. However, unlike most members here, I'm gonna play the demo before making a judgement.