Neowin posted a news story that the Remote Desktop Client in Windows 7 is equipped with new features and enhancements via Remote Desktop Protocol 7 (RDP). Here are the features introduced in Windows 7 Remote Desktop Client
* Windows 7 Aero support
* Direct 2D & Direct 3D 10.1 application support
* True multi-monitor support
* RDP Core Performance Improvements
* Multimedia enhancements
* Media Foundation support
* DirectShow support
* Low Latency audio playback support
* Bi-directional audio support
To see a demo of all the features including multi monitor support, Direct 2D support,
watch the full length (35 mins) TV episode of Brian Madden, recorded during the MVP Summit 2009. The video includes a demo showing the new RDP 7 multimon support on six displays, DirectX 2D and 3D remoting in RDP 7 and the new client-based rendering for various media pipeline engines.