Woohoo! Get it now before the Download Servers are overwhelmed. I see it is up on Connect (if you had previously been accepted into the Beta), and you can download it as an IT Pro or Developer from the Beta 3 site.
What's the address you ask? You'll have to watch this video to find out ;)
I will post some technical information over the next few days, but in the meantime, feel free to browse the Windows Server Code Name "Longhorn" Technical Library.
The price is right! Take some training on Longhorn while you are downloading from the link in my last