Would a MacBook Pro be overkill for me? I intend to use it for basic web browsing, typing stuff up, paying bills with the occasional novice level photo and video editing. Is it safe to use it on my lap on the couch? Or would doing so block some sort of fan and cause it to get too hot? The new MacBook costs about the same and has no fan, but a slower processor. A MacBook Air seems to offer a good compromise between the two, but I would prefer having a Retina display. Ports are a little important as I would like two USB (one for mouse and one for ext HDD for edits) a headphone jack and a memory card reader. Thanks in advance!