Okay, don't panic, nobody freak out or anything, but the MacBook Air refresh rumored for this week has officially been rerumored, by AllThingsD, to next Thursday or Friday instead of tomorrow. You okay, buddy? Here, breathe into this paper bag.

The good news is, the kinds of spec improvements we can expect to see haven't changed: snappy Sandy Bridge processors, a backlit keyboard, a Thunderbolt port are all still on order. You're just going to have to be a little more patient than you thought. Allegedly. [AllThingsD]