Yes, sorry - 'linux box' = desktop with linux OS

My system :

Host/Kernel/OS "drbbox" running Linux 2.6.22.2-slh-smp-1 i686 [ sidux 2007-01 - Χάος (200702210759) ]
CPU Info (1) AMD Athlon 64 X2 Dual Core 5600+ 1024 KB cache flags( sse sse2 nx lm pni svm ) clocked at [ 1000.000 MHz ]
(2) AMD Athlon 64 X2 Dual Core 5600+ 1024 KB cache flags( sse sse2 nx lm pni svm ) clocked at [ 1000.000 MHz ]
Videocard nVidia G70 [GeForce 7600 GS] X.Org 1.3.0 [ 1024x768 @50hz ]
Network cards nVidia MCP55 Ethernet, at port: e000
Processes 119 | Uptime 4:07 | Memory 205.8/2027.5MB | HDD ATA WDC WD5000AAKS-0,ATA WDC WD3200AAKS-0 Size 820GB (12%used) | GLX Renderer GeForce 7600 GS/PCI/SSE2/3DNOW! | GLX Version 2.1.1 NVIDIA 100.14.11

There are a number of options depending on which nVidia card you have. Try out the latest LiveCD release which came out earlier this week and see what you think.

drb