HP Pavillion - $100 Off at Amazon
Amazon.com are offer great prices on HP desktops anyway, so a further $100 off via rebates only sweeten the deal. The HP Pavilion A1620N Desktop PC is now just $609.99. 
A great deal when you consider the A1620N spec, packing in a mammoth 3.0 GHz Intel Pentium D 925 dual-core processor, a 250 GB hard drive, 1 GB of RAM, LightScribe 16 speed DVD burner and Windows XP Media Center edition. As an added bonus the system is certified Windows Vista capable and Windows Vista Premium ready.
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