It is nice to see.. but not nice to use OS.. The first thing is that all your previously bought application had compatibility issue.. the function had change a lot, people that used to the Windows function need some time to get familiar with Vista function.. and it is very resource hungry OS. And you suddenly thinking do I really need all these Aero, Windows Search, Media Center stuff but my mostly use application cannot run smoothly and even worst cannot run at all..
It need some time before Vista become acceptable to everyone.. What about use Mac OS X Leopard instead? :-D.. In the meantime, a lot of people already migrate back to Windows XP.. Aiyah.. Sorry.. Mr. Bill.. cannot use laa..

