Well if you remember us reporting about the much awaited BES Service Pack 5 you will be sad to note that the unofficial date of February 29th is today and there has been no release. As Fadmin has pointed out on BlackBerryForums.com the official general availability date is now March 11th 2009 2008. 
You can confirm this date by heading over to this link on the BlackBerry website. You can see a screenshot of what can be found there below:
Ronen Halevy ( View Profile) - Posts: