Yes the wait will soon be over! When the US folks wakes up, the announcement and download links etc. will be made publically available.
I’ll update this post during the day.
Some people asked be if this wasn’t under NDA still, and yes it was until Paul Bowden (Exchange Release Manager) posted the following reply in a thread in the Exchange 2010 TechNet forum: http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/00f54f47-1849-48c8-9123-a275d41fdd21
you can now download SP2 here.