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Apple.com has Apple Certified Refurbished iMacs starting at $929. Mac refurbs have an excellent reputation and they carry the same 1-year warranty as new Macs (extendable to 3 years if you purchase AppleCare). The iMac features a glossy, LED-backlit widescreen display and includes the iLife '11 suite of applications. Ground shipping is free. Sales tax is charged in most states