OfficeDepot.com has the HP Slimline s3321p Media Center Desktop for $599.99 - $200 rebate = $399.99 w/ free shipping.

- Athlon X2 Dual-Core 2.6GHz, 2GB DDR2, 500GB SATA HDD
- LightScribe DVD+/-RW w/ double layer, 15-in-1 memory card reader
- Built-in dual TV tuner (for NTSC TV and over-the-air ATSC signals) with personal video recorder (PVR)
- nVidia GeForce Go 6150 SE graphics
- 6-channel High Definition Audio
- 802.11b/g wireless, 10/100 Ethernet network LAN
- HP multimedia keyboard & HP optical mouse, Vista Home Premium
- Monitor is not included

Looks quite nice.