Thanks for your response.
In a last minute decision, I configured the following system from Dell for $329. I am not sure exactly what kind of motherboard it has but hopefully I can figure it out when I get it and document my results with LinuxMCE on the Wiki.
- AMD Athlon™ 64 X2 Dual-Core 4000+
- 1GB Dual Channel DDR2 SDRAM at 667MHz-2DIMMs
- 250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache™
- 48X CD-RW/ DVD Combo Drive
- NVIDIA GeForce 6150 SE Integrated Graphics GPU
- Integrated 7.1 Channel Audio
- Dell USB Keyboard and
- Dell Optical USB Mouse