Dell Small Business offers its Dell OptiPlex 3040 Intel Skylake Pentium 3.3GHz Small Form Factor Desktop PC for $529. Coupon code "100BIZDEAL" drops it to $429. With free shipping, that's $327 off and the lowest total price we could find. (For further comparison, it's also $21 under the best price we could find for a comparable system with a slower processor elsewhere.) It features an Intel Pentium G4400 3.3GHz Skylake dual-core processor, 4GB RAM, 500GB 7200 rpm hard drive, and Windows 7 Professional 64-bit. Deal ends March 7.