Apple Rolls Out Quad-Core iMacs with Thunderbolt

The Apple Store went offline for an update Tuesday morning, returning a short while later stocked up with a new line of iMacs. The updated machines feature quad-core processors–ranging from a 2.5GHz Core i5 to a 3.4GHz Core i7, a new AMD Radeon HD graphics processors, a FaceTime HD camera, and the same 10Gbps Thunderbolt port that debuted in the new MacBook Pros earlier this year.