Newegg offers the refurbished HP Intel Core i3 2.9GHz Desktop, model no. 110-314, for $229.99. This $30 mail-in rebate cuts it to $199.99. With $1.99 for shipping, that's $198 off list and the lowest total price we could find. It features an Intel Core i3-3240T 2.9 GHz Ivy Bridge dual-core processor, 4GB RAM, 1TB hard drive, and Windows 8.1 Pro. Rebate expires March 31.
A 1-year warranty applies, although it's unclear who backs it.