It has been revealed, by visiting the Windows Vista Beta Pre-Registration page, that the Windows Vista Community Technology Preview (CTP) program, which provided download access to the CTP builds, has now come to an end. This could well mean that we can expect public betas in the near future.
Though the preview program has ended, Microsoft are continuing to offer valid registration codes for enterprise customers, ISVs, SIs, LARs/VARs, and SBCs. These select codes can be used to receive a replicated copy of the latest CTP version in the mail.