newegg offers the refurbished HP Compaq DC7700 Intel Celeron 3.2GHz Desktop PC
(pictured; no monitor) for $89.99
with free shipping
. That's $21 under the lowest total price we could find for a similarly configured off-lease unit and one of the least expensive desktops we've seen, although we saw this model for $10 less after rebate two weeks ago. It includes an Intel Celeron D 352 3.2GHz single-core processor, 1GB RAM, 80GB hard drive, CD-ROM, Gigabit Ethernet, and Windows XP Professional.
newegg also offers the refurbished HP Compaq DC7700 Intel Core Duo 1.86GHz Desktop PC (no monitor) for $89.99 with free shipping. That's $90 off and another price low. It includes an Intel Core Duo E6300 1.86GHz dual-core processor, 2GB RAM, 80GB hard drive, DVD-ROM, Gigabit Ethernet, and Windows 7 Home Premium.
A 90-day warranty applies to both, although it's unclear who backs them.