Microsoft reveal a lot of useful info about terminal services improvements in Longhorn in this chat, I can see myself making a lot of use of this on my lab servers at home as well as for customers:
Application Publishing with client-side file type associations
Seamless Windows
A Terminal Server Gateway (TSG)
Intelligent Avalon/WinFX Remoting
A Unified Management Console
Redirection of Plug-n-Play devices with UDMF drivers
I'm retired from work as a business and IT strategist. now I'm travelling, hiking, cycling, swimming, reading, gardening, learning, writing this blog and generally enjoying good times with friends and family