Tech ARP posted an inside look at Windows Anytime Upgrade and see how it works
>> Windows Anytime Upgrade For Windows 7 Revealed
One of the new features in Windows 7 is Windows Anytime Upgrade (WAU). It will provide end users with a quick and easy upgrade process to "more premium" versions of Windows 7. All you have to do is purchase an upgrade key to unlock the additional features.
In this article, we are going to take an inside look at Windows Anytime Upgrade and see how it works, step by step. We even have actual screenshots of the process so you can see for yourselves just how easy it is. Remember, you read it here first!
>> Windows Anytime Upgrade For Windows 7 Revealed