Now that the Release Candidate is available and RTM is scheduled for April 12th it will be time to see how you can get licenses for these great tools.
Read the Licensing Whitepaper to find out what you need: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=2b1504e6-0bf1-46da-be0e-85cc792c6b9d