I am a student at a university and bought windows 7 home premium for $30 on the student discount. I am currently using an 13" HP dv3t model running home premium. In the future (a few years), is it possible to transfer my Windows 7 key to a new system? Also, how long do you suggest I wait until I upgrade? I bought this computer specifically for computer programming, but have decided to only take a couple core classes to major in atmospheric sciences, then move to Macs near obtaining my degree. Is this a good move? I hope to take advantage of the future with quad core processors in the next couple years, and an upgrade of my 2nd generation iPod touch when I do decide to purchase in the summer for the iPod touch rebate. Thanks for any suggestions and help with Windows 7 migration.