Black Box Micro ATX 300 Watt, G31 + DC 5400 (2.6GHz), 2GB DDR 2 800Mhz, 320GB HDD, 22x DVD-RW, Keyboard /Mouse/Speakers - No OS

Studio Hybrid Intel Dual Core T2390 (1.8GHz), 1GB, 120GB, DVD-Writer, Windows Vista Home Premium HDMI, DVI, 7 in 1 Card Reader, RJ45 (10/100/1000

Compaq 500B MT Intel Dual Core E5300 (2.6GHz, 800 MHz, 2MB L2), Intel G41 Express Chipset, 1GB PC3-10600 (DDR3-1333) Non-ECC, 320GB SATA 3.0 GB/s Hard Drive (7200 rpm), SuperMulti Lightscribe DVD writer, 10/100 Ethernet Controller, MCR, USB Keyboard & USB Mouse

Tower, Intel G31, E5200 (2.5GHZ,800Mhz FSB, 2048MB (1 X 2048MB), 250GB, Intel Graphics Media Accelerator 3100, DVDRW, GB Ethernet, VISTA BUSINESS