With the release of the RTM to Technet you have to wonder how people are going to make the move from their existing OS to Windows 7. In the past (especially with Vista) Microsoft pushed for a full upgrade from one retail product to another.
However we were all told that Windows 7 upgrades would be much easier.
I am not sure if that is true but I am looking forward to checking out just how easy an upgrade is in the next few days. One issue for many people is going to be the move from any of the Beta or RC versions to the retail or even the RTM. According to existing information if you are running one of these you will have to backup your personal files and start from scratch with a clean install.
If you are using Windows XP or any of the basic versions of Vista you will be in the same boat. To lessen the blow MS is no longer calling it Format and Reload. It is now called a "Custom Install" how very nice of them. I know I feel better about the pain of a fresh install with that nicer sounding name.