This Desktop PC

OfficeDepot.com has the HP Pavilion A6300f Desktop PC, Intel Pentium Dual-Core 2.0GHz, 2GB DDR2, 500GB, LightScribe 16x DL DVD

Dell Home has the Dell Inspiron 531 Desktop, AMD Athlon

OfficeDepot.com has the HP Pavilion Slimline S3321p Desktop Computer, AMD Athlon 64 X2 Dual-Core 5000+ 2.6GHz, 2GB DDR2, 500GB, LightScribe DL DVD

Buy.com has the Acer AcerPower FH APFHUD4401P Desktop Computer,Core 2 Duo 2.0GHz, 2GB DDR2, 160GB, 16X DL DVD

Dell Small Business has the Dell Vostro 200 Mini Tower, Intel Pentium Dual-Core 1.80GHz, 2GB DDR2, 160GB, 16x DL DVD

Dell Home has the Inspiron 530 Desktop for $799 with free shipping. At this price it includes a 19″ E207WFP LCD.
Core 2 Quad Q6600 2.4GHz, 2GB DDR2 Memory, 320GB SATA Hard Drive
16x DVD+-RW Drive, Dell USB Keyboard & Optical Mouse, 10/100 + 56k Modem
Intel GMA 3100 Video, 7.1 Audio, Windows Vista Premium, 20″ Dell LCD

Dell Small Business has the Dell OptiPlex 755 Desktop, Intel

Dell Small Business has the Dell Precision T3400 375W Desktop, Core

OfficeDepot.com has the HP Pavilion Media Center M8300f Desktop Computer, AMD Athlon 64 X2 Dual-Core 6000+ 3.0GHz, 3GB DDR2, 640GB, LightScribe DL DVD

HP Home has the HP Pavilion A6250t Desktop, Intel Core 2 Duo 2.2GHz, 2GB DDR2, 500GB, LightScribe DL DVD