Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 2_2_1 like Mac OS X; en-us) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5H11 Safari/525.20) Is it worth buying? I have the new unibody MacBook. But I need a more portable laptop sometimes. Is it slow? I'm usually gonna load iTunes and Photoshop. Those are my top apps. Can the MBA load it quickly? Not freaking fast, but like, it's not too long of a wait. I need to know this for my decision.