I was playing in a blockade on puzzle pirates tonight and the flag i'm in use ventrilo for voice comms, which has no linux port. So I booted in to the OS of the beast. The blockade has been over for a while now, and in the calming down before I head to bead, I though I would try DV client. During the performance problems I was getting about 80fps. I managed to get this up to 196fps. On the same machine, windows is giving me 430fps!!!. The odd thing is, doom3 runs faster under linux on this laptop.
I'm all confused. 
I'm currently looking at using SGS [1] for the network code and back end. So I don't expect the GUI to be updated any time soon.