Hello. I am thinking about purchasing a new MB, MBP, or MBA. The MBA is probably too low-powered though, as I want this to be my reliable college computer in late 2012 (I want it to keep up to the standards as best possible). I would love to get into Photoshop, Garageband, and possibly some video-editing. I need a decent resolution (not the 11" MBA), at least 4GB RAM, and at least 250GB HD (the bigger the better). The glass trackpad is a must, as well as a current processor such as an i5. --- I would like to get a good deal such as Open-Box at Best Buy, Refurbished from Apple Online, or the Educational discount. The only one out with a good processor right now is the MBP. Should I wait for the MB to get an i3?