Intel's quad-core Ivy Bridge processors have been doing the rounds since April, but the chipmaker continues to expand its selection, now adding a new high-end Core i7 mobile processor. Clocked at 3.0 GHz and priced at $1,096, the Core i7-3940XM is a quad-core 22 nm chip, packing Intel's HD 4000 series GPU and 8MB of L3 cache. According to the recently revealed pricing list, it'll be joined by two more Core i7 models, the 2.8GHz i7-3840QM and the 2.7 GHz i7-3740QM. If you're shopping around
