Apple’s brought both sizes of the MacBook Air line straight up to what you’d expect from a laptop in 2011, adding a Thunderbolt port, but more importantly some sweet Sandy Bridge i5 and i7 chips — and backlit keyboards.
Apple does like to keep to schedule, so it’s not entirely surprising to read they’re planning two new MacBook Air models for this June/July. It’s also unsurprising that they’re to run on Sandy Bridge chipsets, and have Thunderbolt connectivity.