Chelsea,Barcelona,Arsenal,Juventus,Sao paulo and Liverpool are all good teams in pes5.
I dont really know of any more yet as most of my games have been played with these teams except my Master League which i have went Rangers.
Oh and Scotland but in no way are they strong i just play from the heart with Scotland.
Strange thing is im undefeated with Scotland although i have drew alot but i have some great wins under my belt against friends, here are some results which im very proud of all against my mates who are also very good at pes5.
Scotland 3 vs 1 England
Brazil 1 vs 1 Scotland
Scotland 2 vs 1 Argentina
Scotland 4 vs 3 Portugal, this game was amazing best yet iv'e played
France 2 vs Scotland 2, also a great game
Scotland 2 vs 0 Germany