We've seen it put its processing power behind the iPad 2 and heard rumors of its presence in the upcoming fifth-gen iPhone, but could Apple really be considering putting its mobile-minded A5 processor in a MacBook Air? According to Japanese website, Macotakara, a trial of the ARM chip is already underway. Apple's reportedly been experimenting with a Thunderbolt-equipped MacBook Air with the A5 on board, and "according to someone who has seen a model running with [Apple's] A5 processor, the performance is better than had been thought." Two weeks ago, we
