Today is the day!  Microsoft officially has released SharePoint Server 2010 and Office 2010 and related 2010 products like SharePoint Designer, Project 2010 and Visio 2010.  You can watch the event and get other information at the launch site:

http://sharepoint.microsoft.com/businessproductivity/proof/pages/2010-launch-events.aspx

Other Resources

If you would like more information on SharePoint Server 2010, you can check out the following resources:

 

Breakdown comparison of the editions of SharePoint Server 2010

http://sharepoint.microsoft.com/en-us/buy/Pages/Editions-Comparison.aspx

 

Start test-driving SharePoint and Office 2010 with pre-configured Hyper-V virtual machines

http://www.microsoft.com/downloads/details.aspx?FamilyID=751fa0d1-356c-4002-9c60-d539896c66ce&displaylang=en

 

Don’t know where to start?

http://sharepoint.microsoft.com