Today Microsoft made the Windows Vista SP1 release candidate along with the Windows Server 2008 November CTP available to beta testers.
The beta testing group has been expanded to over 15000 testers, but these builds are not yet available to the general public.
Windows Server 2008 November CTP is available as a full ISO image; Windows Vista SP1 RC1 is available as a slip-streamed ISO or as an upgrade.
More info: Windows Vista SP1 RC1, Server 2008 Nov. CTP Released to Testers at The NeoSmart Files
Good luck if you're testing it!
The beta testing group has been expanded to over 15000 testers, but these builds are not yet available to the general public.
Windows Server 2008 November CTP is available as a full ISO image; Windows Vista SP1 RC1 is available as a slip-streamed ISO or as an upgrade.
More info: Windows Vista SP1 RC1, Server 2008 Nov. CTP Released to Testers at The NeoSmart Files
Good luck if you're testing it!