D&D
3e ~
base classes that I *will* play (the won't play list was too long): barbarian (1 or 2 lvl dip at best), cleric, crusader, druid, fighter (4 lvl dip at most), incarnate, psion, rogue, swordsage, totemist warblade, warlock, wilder, wizard
base classes that I haven't yet tried: anything...