For this week only Staples.com has the HP Pavilion desktop PC (model no. a6838f) for $399, which is $50 off the original price of $449.99 and the lowest price we have seen on this desktop computer.  FREE shipping is included and sales tax applies for residents of most states. 

For $100 more upgrade to the Dell desktop PC bundle that includes a Dell 19-inch flat panel LCD display.  This computer has an AMD 64 X2 Athlon 4400 processor, 4GB of RAM and 640GB hard drive for $499 with FREE shipping at Staples.com as well.   Or if you prefer something with a Mac operating system then you may want to check out the 2.66GHz 20-inch iMac with 2GB of RAM and 320GB hard drive, priced at $1149 with FREE shipping at BHPhotoVideo.com. 

The HP desktop computer has an Intel Pentium Dual-Core E2220 processor with 4GB of RAM and 500GB hard drive.  Features include a SuperMulti DVD burner with LightScribe technology, Intel Graphics Media Accelerator 3100, front panel 15-in-1 memory card reader, and high definition audio with configuration for up to eight speakers.  It is backed by a one year warranty on parts and labor from HP.  Dimensions: (L) 16.28" x (W) 6.89" x (H) 15.24"