Long have we been waiting ;)
Well actually i didnt wait a second for it...
But recently some people with vista or those who have a bad internetconnections (like Flamer) asked me to make an offline installation patch 4 for vanilla.
Its here... It worked without going Out of Sync, but i can't garantee a thing... I still recommend to just download the "online patch" by the button "check for updates" if you can.
Download tho if you think its needed for some reason.