MSIs available now - TechNet on-line version completed in a couple weeks - the BDD is GREAT stuff, especially for those folks looking to clean up their deployment processes to prepare for Windows Vista and the WIM image format ;-)

Business Desktop Deployment Solution Accelerator, Standard Edition -

http://www.microsoft.com/downloads/details.aspx?FamilyId=703A0216-E11A-49F5-BDBF-A8419AD14A95&displaylang=en

Business Desktop Deployment Solution Accelerator, Enterprise Edition -

http://www.microsoft.com/downloads/details.aspx?FamilyId=16DC014B-39D1-49EE-AC6A-E3077E4E2607&displaylang=en