Nah, no need to feel like that since I wouldn't usually wait that long either. Especially because the installation window popped up almost...
This is most likely the solution. Same happened to me and after giving it some more time, the installation eventually started. I can't say how...
I have been using the beta version of Windows 7 Ultimate 64 Bit without problems so didn't hesitate to buy Windows 7 Professional 64 Bit on...
