Neowin reports that the internal testers have received the Windows Vista SP2: RTM Escrow build
>> Windows Vista SP2: RTM Escrow build reaches internal testers
Sources say that the RTM Escrow build of Windows Vista and Windows Server 2008 Service Pack 2 has been released to a group of internal testers. The build number of this pre RTM build is 6002.17506.090313-1730, compiled on March 13, 2009. The RTM build numbers are also finalised and would be 6002.17507.090319-1515 and 6002.17508.090320-1600
>> Windows Vista SP2: RTM Escrow build reaches internal testers