Groupon offers Apple iMac 21.5″ inch All-in-One Intel Core i5 Desktop Computer – Refurbished in $569.99 with FREE shipping.
Features and specs are 21.5” LED-backlit glossy widescreen TFT LCD display with IPS, Full HD resolution (1920×1080), 2.5GHz Intel Core i5 quad-core processor, 4GB DDR3 RAM, 500GB Serial ATA hard drive, ATI Radeon HD 6750 graphics with 512MB GDDR5 memory, DVD-RW/CD-RW SuperDrive-DL, Bluetooth 2.1 + EDR, Built-in FaceTime HD camera, One Thunderbolt port, Four USB 2.0 ports, Apple-compatible wired keyboard and mouse included.