Here is the reported list of Black Friday Desktop Computer Deals, as found publicly online.
(Doorbusters marked with "*" & Staff picks marked with "@")

Best Buy
eMachines Desktop w/AMD Athlon Processor, 3GB RAM, 320GB HD, Windows 7, w/18.5" LCD Monitor and HP Deskjet Printer - $299.97
@ HP Desktop AMD X4 Quad Core, 8GB Memory, 1TB Hard Drive w/20" Monitor, HP Deskjet DJ350 Color Printer & Windows 7 Home Premium - $499.97
MacMall
Apple 21.5" iMac Intel Core 2 Duo 3.06GHz, 4GB RAM, 500GB - $1129.00
Apple Mac mini Intel Core 2 Duo 2.26GHz, 2GB RAM, 160GB - $579.98
Office Depot
Compaq CQ4010F Desktop Computer w/AMD Sempron LE-1300 Processor, 2GB RAM, 250GB Hard Drive - $229.99
Compaq Presario AMD LE-1300 Desktop w/18.5" Monitor - $329.99
HP Pavilion Desktop P6229PG w/20" Widescreen LCD Monitor - $499.99
HP Pavillion Slimeline Intel E5300 Desktop w/20" Monitor - $519.99
HP Pavillion Slimline s5220f Desktop Computer w/Intel Pentium Processor E5300, 4GB RAM, 640GB Hard Drive - $369.99
OfficeMax
@ Compaq Presario Dual-Core Desktop w/ 3GB RAM, 500GB HD, Windows 7 $239.99
OnSale
Apple 21.5" iMac Intel Core 2 Duo 3.06GHz, 4GB RAM, 1TB Hard Drive, ATI Radeon HD 4670, SuperDrive - $1398.99
ASUS Eee Top ET2002-B0017 Intel Atom N330 1.6GHz All-in-one Desktop PC - $576.99
Staples
Dell Desktop PC w/AMD Athlon X2 215 Processor, 4GB RAM, 640GB Hard Drive, 20-inch LCD Monitor - $499.98
WalMart
HP Pavilion All-In-One 19" Desktop w/4GB Memory, 500GB Hard Drive, MS213 AMD - $598.00
HP Pavilion Desktop w/AMD Processor, 3GB Memory, 320GB Hard Drive, w/20" Monitor (Model # P6243w-b) - $398.00 *