Dell Business has the Dimension 4700 P4 w/ HT (3GHz, 800 FSB) for $449 after $150 Rebate with with Free shipping. Select the "Dimension 4700 $449". 

• P4 w/ HT (3GHz, 800 FSB), 512MB DUAL DDR SDRAM
• 80GB Serial ATA HD, 48X CD-ROM Drive
• Integrated 10/100 Ethernet, 56K
• 2 Year Warranty, Free Dell 922 Photo All-In-One printer

Click Here for the DEAL