Vista Logo is reporting that Vista RC1 is now available for Microsoft Connect testers. The build that was released as Pre-RC1 the other day was 5536 so there could be some significant bug fixes in this one. Here are the details for Vista RC1 build 5600:

Title: Windows Vista RC1 (v5600-16384) for X86 and X64 (English)
Release Date: 9/1/2006
Size: 6,261.47 MB
Version: RC1 (v5600-16384)
Milestone: RC1

Please ensure you uncheck any files you don’t wish to download. You should use your same key(s) from previous releases. To generate a new key, please request from key package “5342 and Up – Ultimate” and “Beta 2 Home Basic/Home Premium/Business (v.5384)”.

x86 CRC:  0xB3519FCA
x86 SHA:  0xE00B4EBBC81FB420CF047973B95A9CFB7CDF51B7

x64 CRC:  0x59C867D0
x64 SHA:  0x8E4DE7A72C828A3543FF1663243EB0836DA07EEA

The Windows Vista Team Blog says that they are “initially rolling out the code to the TechBeta and TAP programs alone, while MSDN and TechNet subscribers will be offered access next week.” I Can’t wait!