3 Tech Titans Making Noise: Apple Revamps iMacs, Amazon’s New Hires, BlackBerry Skeptics Speak

Apple (NASDAQ:AAPL): Apple announced a revamp of its line of iMacs, a series of powerful, all-in-one, desktop computers. The new line includes 21.5- and 27-inch models with quad core chips, most of which also come equipped with Nvidia GeForce graphics capabilities. The price tag on the new models is between $1,299 and $1,999.