so i am considering getting a drum set for guitar hero world tour and/or rockband 2. it seems like most people prefer to buy the guitar hero's drum set and use that for both. but since that's not sold separately yet, i wonder if the rockband 2 drum sets are really that bad. does anyone here have experience with the rockband 2 drum set that can give me some feedback? also, i believe i read that the rockband 2 drums will not work with guitar hero world tour, is that correct? most people seem to prefer the multiplayer experience on rockband over guitar hero, so maybe it's not that big of a deal if the drums only work with rockband?