Well worth a read to understand MS' pov on all those 'annoying' (but probably necessary) dialogs in Vista..
http://blogs.msdn.com/uac/archive/20...01/613098.aspx
"Don’t give up on the feature yet!
We are working to change the way EVERYBODY runs Windows. As we move towards RC1, we are dealing with the number of elevation prompts as our Job #1. Help us out by playing with the Beta 2, and tell us about your elevations by adding comments to this blog so that we can make them go away."