Brownbox has this small form factor desktop for $299. 90-Day Gateway Warranty.
Gateway SX2841 Dual Core 6GB 1TB HDMI Desktop HTPC Win 7 - brownbox.com
Processor Intel Pentium Dual-Core Processor G6951 (2.8GHz, 3MB Total Cache3)
Operating System Genuine Windows 7 Home Premium (64-bit)
Memory 6144MB DDR3 Dual-Channel Memory (3 x 2048MB Modules)
Memory Capacity Expandable to 8GB
Hard Drive 1TB SATA hard drive (Green Product - variable RPM)
Video Integrated Intel Graphics Media Accelerator HD
Optical Drive 16X DVD+/-R/RW SuperMulti Drive
Power Supply 220W Power Supply
Application Software Microsoft Office Starter 2010 (Trail Version)
Audio High-Definition Audio with 5.1-channel Surround Sound Support
Available Expansion Slots Available: 1 - PCI-E x16, 1 - PCI-E x1
Chassis Modern and Sophisticated Small Form Factor Design
Digital Media Software Cyberlink PowerDVD & Nero 9 Essentials
Dimensions (System) 10.43" (H) x 3.93" (W) x 12.4" (L) or 266.7mm (H) x 101.6mm (W) x 317.5mm (L)
External Ports (9) USB 2.0 ports (5 Front, 4 Rear), (2) PS/2 Ports, Photo Frame Button, VGA, HDMI (Rear), eSATA, (5) Audio Ports, Optical S/PDIF
Keyboard Gateway Keyboard
Media Card Reader Multi-in-One Digital Media Card Reader
Motherboard Systemboard with Intel® H57 Express Chipset
Mouse Optical Mouse
Network 10/100/1000 Gigabit Ethernet LAN (RJ-45 port)
Security Software Norton Internet Security 2010 (60-day trial)
Weight 12 lbs. (5.4 kg) system unit only
Gateway SX2841 6GB 1TB HDMI Desktop SFF HTPC - $299 - Refurb 
