Out of browser support,Silverlight 3 Beta allowing web applications to work on the desktop.There are significant number of graphic improvements – like 3D support, GPU acceleration and H.264 video support.

I have listed some new features in Silverlight 3 Beta have a look at it:

*  Support for Higher Quality Video & Audio.

o Live and on-demand true HD (720p+) Smooth Streaming.

o More format choice.

o True HD playback in full-screen.

o Extensible media format support.

o Industry leading content protection.

*  Empowering Richer Experiences.

o Perspective 3D Graphics.

o Pixel Shader effects.

o Bitmap Caching.

o New Bitmap API.

o Themed application support.

o Animation Effects.

o Enhanced control skinning.

o Improved text rendering & font support.

*  Improving Rich Internet Application Productivity. New features include:

o 60+ controls with source code.

o Deep Linking.

o Search Engine Optimization (SEO).

o Enhanced Data Support

o Improved performance, through:

+  Application library caching,

+  Enhanced Deep Zoom for images,

+  Binary XML allows communication with the server

+  Local Connection

*  Advanced Accessibility Features.

*  Out of Browser Capabilities.

o Life outside the browser.

o Desktop shortcuts and start menu support.

o Safe and secure.

o Smooth installation.

o Auto-update. Upon launch,

o Internet connectivity detection.