File this rumor under the "sure, that makes sense" category. Granted, PhoneNews may not be the go-to source for Apple rumors, still, the site's reputable enough to at least give this one a listen. It claims that national retailers have been alerted to an imminent announcement of a new revision to the MacBook Air. More specifically, PhoneNews claims that the MBA will move away from the stop-gap, 65-nm Intel processor dusted-off special for Apple (and now Voodoo's Envy 133) in favor of Intel's latest "standard" 45-nm Penryn processor. If true, then we're talking about possible clocks ranging from 2.26GHz to 3.06GHz (up from 1.6GHz or 1.8GHz), a 1,066MHz FSB (up from 800MHz), and appreciable increase in CPU power draw to 29W (up from 20W). We can also expect better GMA X4500 integrated graphics assuming Apple adopts the Centrino 2 chipset. To offset the potential degradation in mobility, PhoneNews asserts that Apple will beef-up the battery and replace the 45W MagSafe adapter with a 60W version like those found with existing MacBooks. With this rumor and all the others related to Apple's lineup of MacBooks, we wouldn't be surprised to see Apple announce some kind of special media event sometime soon.

Update: It's worth noting that Intel also plans to release a few low and ultra-low voltage Penryns in a 22-mm package (same as now) around the September timeframe. Though these would decrease, not increase, the power draw as described by PhoneNews.

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MacBook Air with Penryn launch imminent?