I have a late-2008 unibody MBP, 15inch, Intel Core 2 Duo at 2.4Ghz, 4GB Ram. I'm still currently using it and have no trouble with it. I need not actually get a new computer except for the fact that the hinge broke and now it's a desktop (screen resting on a support) I'm entering University in August and originally intended to get a non-retina Macbook Pro, 13 inch entry model. With mostly surfing, downloading, movies, music, basic presentations, word documents and occasionally simple photoshop use I believe it would fit my needs perfectly. Unfortunately, no updates for non-retina MBP at WWDC. And while there may be an update in September/October that's a little late and rumours of Apple focusing on retina MBP isn't helping. The MBA with 10-12 hour battery life is a huge attraction. But I'm worried it's not powerful enough to last 4 years? A non-retina 13inch MBP with Haswell processors and a similar 10-12 battery life will make me feel silly getting the MBA now. Plus a MBA always seemed as a spare computer than a main one to me. And portability is not an issue after carrying around a 15inch for a long time. Thoughts? Plus a MBP 13 inch will get me a faster computer, twice the hard drive space even if not SSD, hopefully with improved battery life and at almost $300 less than a MBA.