New Vista November CTP leaked
Build 5259 with lots of cool stuff
http://www.win-vista.net/modules.php?set_albumName=Vista5259&op=modload&name=gallery&file=index&include=view_album.php
from
WinCustomize Forums
Windows Vista Build 5259 (November CTP) will be released to testers soon. Some screenshots have supposedly been leaked, including a new build of IE7 and WMP11. Some other new features include a new System Properties interface, a new Start Menu, Windows Mail, and Windows AntiSpyware. Aero has also had a facelift, including the popular circular start button.