Other World Computing discounts a selection of used Apple iMacs, MacBooks, Mac minis, and more, with prices starting at $139. Plus, all orders qualify for free shipping. Each item is covered by a 90-day OWC warranty. Note that for many models, available quantities are limited. A couple of best bets:

• Used Apple iMac Core 2 Duo 1.8GHz 17" 160GB Desktop for $139 (pictured, low by $59)
• used Apple iMac Core i7 2.7 Quad 27" 21.5" 1TB Desktop for $919 (low by $234)