15-inch MacBook Air coming in Q1 2012, and a 17-inch version to follow

Some juicy rumors from the realm of Mac just surfaced online. According to the often reliable DigiTimes, Apple will be launching a 15" MacBook Air at the start of 2012.

The 15" MacBook Air will come to support the 11.6" and 13" versions in their fight against the Ultrabook army, which is quickly growing in numbers. Unfortunately, there is still no information on the hardware specs of the 15" Air, but we will be keeping an eye for more info about it.

And it appears that Apple will not stop the expansion of its lineup of ultra slim laptops there. Another piece of online gossip has it that Apple is also working on adding a 17" Air to its portfolio.