"...if it indeed confirms Microsoft's use of Wave."
Don't hold your breath waiting for anything conclusive from Microsoft. The best you can do is be aware of the TPM landscape (hardware and software), and read between the lines.
Windows BitLockerTM Drive Encryption Design Guide Microsoft Corporation Published: August 2007
page 18 >>> OEM-specific requirements
Choose computers that have a TPM version 1.2 that is certified for Windows Vista. For TPM-compliant computers, each manufacturer will likely have a different default shipping configuration.
Use the following questions to help plan for automated deployment:
• What tools does the OEM provide to automate TPM management?
Yes, the very first question directs the reader to investigate the TPM-management tools provided by the PC OEM. This from a 48-page document on planning an enterprise deployment of BitLocker published only a few months ago...