The new iMac is 5mm thick with led backlighting with 40 percent less volume. The screen is also 75 percent less reflective than the last generation screen. It also uses 50 percent less energy with the screen on in idle state, also free of many toxins so very recyclable, and qualifies for energy star 5.2 rating.
Msrp 1299.00 for 21.5 inch model and 1799.00 for 27 inch model. Availability Dec 2012.