Get System Center 2012 Eval Bits
Get Windows Server 2012 Eval
Those of you who have a TechNet Plus Subscription will be VERY happy to hear that as of right now, you can log into the secure site and download your copy of the RTM bits of Windows Vista!!!!!
Currently, only the English x86 and x64 DVD versions are available with other languages following soon.
Just in case you forgot the link, here it is: http://technet.microsoft.com/en-us/subscriptions/default.aspx. I'm dowloading my copy right now!