If it appears on Windows Update, it should be fully published already!! Maybe the Update isn't published on all MS Update Servers, but those which have it, it would be a fully workable!
3 times Update Error already! Maybe because I was use a VPN this morning?! Now I'm back on direct connection and the DL was starting again!
I just came here for an ESD link for EN-US 64bit doesn't seem to have downloaded in my C:\$Windows.~BT folder..
So far this build is working great. No slow downs, last build 14332 would just slow down for no reason. To soon to really tell though.