MegaMacs discounts select refurbished iMac Core desktops, as listed below. Plus, these orders qualify for free shipping. A 90-day MegaMacs warranty applies. Deals end January 7. The deals:

• Refurbished Apple iMac Intel Core 2 Duo 3.06GHz 21.5" Desktop for $499.99 (low by $99)
• refurbished Apple iMac Core i5 3.6GHz 21.5" Desktop for $649.99 (pictured, low by $369)
• refurbished Apple iMac Core i3 3.2GHz 27" All-in-One Desktop for $929.99 ($40 drop)