what I want in a media center pc

ideally a machine under $800 with

1- Blu-Ray/HD-DVD read/write
2- hdcp compatible
3- HDMI (output configurable so that I can program sound not to go to monitor)
4- 7.1 Dolby stereo output
5- cable card compatible
6- Ethernet/wifi/bluetooth/infra red
7- OS similar to windows Vista
8- PVR
9- 1GB RAM
10- gaming capable video card