Here's my PES5 07/08 Option file.
Its based on j708's wonderful OF, (which was based on Watson's V4.0 OF) which includes 30 new teams: Club Brugge, Red Star Belgrade, Partizan, Zurich, Wisla Krakow, Dinamo Zagreb, Basel, Sparta Prague, Artmedia Bratislava, Austria Wien, Brondby, Debrecen...