Apple has released a 127.07 MB update for all the Mac notebooks introduced in June 2012 -- the new MacBook Air models, as well as the spec-bumped MacBook Pro, and the MacBook Pro 15" with Retina display.
Apple is nonspecific about the exact issues the update fixes, but mentions graphics performance and compatibility with USB devices:
About MacBook Air and MacBook Pro Update 2.0
This update includes graphics performance and reliability enhancements and improves compatibility with some USB devices.
This update is recommended for all Mac notebooks introduced in June 2012.
The update is available via Apple's support website or the Mac App Store.
Installing the update also changes the build number of OS X 10.8.2 from 12C60 to 12C3006.
Buyer's Guide: MacBook Air (Don't Buy), 13" MacBook Pro (Don't Buy), 14" & 16" MacBook Pro (Neutral)
Related Forums: MacBook Pro, MacBook Air
Top Rated Comments
If you want choice then you shouldn't be owning a Mac anyway.
...ok I kid I kid :D
As if a person owning a Macbook Air has a choice?
That's less than 1/4 of 1% of the space on a 64GB MBA, and it replaces files, not just adds to them, so I really wouldn't worry about it.
Off-topic a bit, yes, but that's what I did. I dumped my iPad for a MacBook Air, and I haven't even thought about touching the iPad ever since. It's been a few months now. Sure, they're two different device, but for the things that I used my iPad for, the Air handles perfectly, too.