If you have a Steam copy of Skyrim, here's how to get the latest patch early:
Log into your Steam account. In the "Steam" menu, hit Settings, and then "Change" beta participation. Opt in to Skyrim's beta, and there you go -- restart Steam and the patch will start downloading.
Hooray, I can finally buy that Windhelm house!
Full patch notes: (click through if you're viewing from the homepage)