If you're planning on buying a MacBook Air, then you may be considering purchasing an external drive, due to the lack of optical drive in the Air. The Star Tech external DVD-RW drive is an option — even if you're not buying a MacBook Air, this drive works with PCs as well. It also comes with Nero (DVD burning software) and can burn dual layer discs.
Slim and pretty small, this compact drive can easily fit in your laptop bag and would definitely be great for on-the-go as well as on your desk. . .Right next to your pretty little MacBook Air.