Hi,
Thanks for your question.
For best practice, I would suggest that we post this issue at Windows Server 8 forum. You can start a discussion there, and give a feedback of server 2012 RDS component, which can get attention with experts who interested with it. Your understanding is highly appreciated.
Windows Server "8" Beta General
http://social.technet.microsoft.com/Forums/en-US/winserver8gen/threads
Best Regards,
Aiden
Aiden Cao
TechNet Community Support