The long awaited RC1 for FIM 2010 was released yesterday. Microsoft has promised an upgrade path from RC1 to RTM. No upgrade path exists for any of the betas or RC0.
Get the bits at http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=4bb3f16b-27f8-4c1d-922f-2c7b522d9ad6.
