AV and security products are having a real hard time with Vista due to the changes made to the kernel. I find that to be a REALLY REALLY good thing and one of the things I love about Vista. It forces developers to stop being lazy and learn to program correctly. (I'm a software engineer so I can get away with a comment like that.
) I'm still not convinced that UAC bring a lot of value to the table. Do I agree with that you that it SHOULDN'T have to be turned off? Yes, it shouldn't. However, in many cases in order to get anything to work correctly, I've found that it needs to. Like I said, even basic drivers don't necessarily install correctly with UAC turned on...and they work perfectly well after it's turned off and the driver is reinstalled. I suspect SP1 will either fix a lot of this or make it worse...after all, we're going to see the Longhorn kernel get integrated in SP1. Won't THAT be fun.