I agree. Though personally, UAC was a hassle when it was new but once you've gotten used to it, it's actually a good way to let you know that you're about to do some modifications to your system.
Using Windows 7 without the UAC bugging you that much is quite weird coz you're kinda waiting for it when you know you're doing some stuff
I'm curious as to how Microsoft think tanks can position Windows 7 on this issue and how it will affect the final release. Good luck to us