I have the same problem, choppy playback of all media. Doesn't matter if it's DVD,divx,xvid or wmv, it's still choppy. In WMP or MPC, everything is ok. My specs: Sempron 3000+ (socketA) VIA KT600 1,5 GB RAM @ 333Mhz, CL2 Radeon X800Pro, 256MB (agp) Audigy 2ZS WinXP pro SP2 Latest drivers for everyth...