wow is all I can say. Finally! Alsa is the cure! I installed all the alsa packages I could find on the mandrake cooker CD's and then told KDE and XMMS to use them when playing back. Nforce2 comes up as 2 different devices under the alsa control in xmms. I had to use the second one and then *poof!* I could hear my Eisbrecher oggs playing! Guess I won't have to wait on NVIDIA's generosity after all
Thank you everyone for the ideas!