Dell Small Business offers its Dell Vostro Intel Celeron 2.5GHz Desktop PC for $329. Coupon code "VOSTRODEAL" cuts that to $279. With free shipping, that's the lowest total price we could find by $75. It features an Intel Celeron G1840T 2.5GHz dual-core processor, 4GB RAM, 500GB hard drive, Gigabit Ethernet, and Windows 7 Professional 64-bit. Deal ends March 31.