Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5) As a MBP owner, I like the idea of having a layer of glass between dust and fingers and the panel. So I'm worried. The screen on MBA is glossy. Is it really cleanable? Or not?