Often you'll want to change certain settings in your RDP files, or during configuration of RemoteApp, VDI or otherwise. I just noticed that finally the RDP Custom Settings reference has released at http://technet.microsoft.com/en-us/library/ff393699(WS.10).aspx
Includes reference details for the following:
what, no ones created a custom RDP creation tool with all these settings in it yet?
Yes actually - its called the RDP client :)