I'm currently building a new computer. A little quick background, it will be mainly used for internet and some gaming. I don't really care about using the highest resolution on the games, I just want decent resolution, decent sound and a high frame rate. I'm also trying to do it for as little $$ as possible. I plan on stealing as much hardware from my current computer as possible. My first question came up today when I was out shopping for a mobo. After I told the salesman that I was planning on using my current hard drive, he asked me what operating system I was using. Windows 7. He then told me that I couldn't just transfer the hard drive because windows 7 binds to the mobo. So was he right? Or was he just trying to upsell, as I noticed he had done at several other times. I no longer have the cd for windows 7 (not sure if I ever did). Or is there some way around this, without buying a new operating system?