TigerDirect offers the HP Pro 3500 Intel Core i5 Ivy Bridge 3.2GHz Desktop PC
, model no. C7A34UT#ABA, for $549.99
with free shipping
. That's the first HP 3500 Pro desktop we've seen with a Core i5 processor and a current price low for this system with a single operating system by $88. It features an Intel Core i5-3470 3.2GHz Ivy Bridge quad -core processor, 4GB RAM, 500GB 7200 rpm hard drive, DVD burner, and both Windows 7 Professional 64-bit and
Windows 8 Professional 64-bit. Deal ends February 3.
Of note, it comes pre-installed with Windows 7 Professional 64-bit. It also comes with a license and media for Windows 8 Professional 64-bit software. You must uninstall the original OS to use the other. More details are available here.