See the ondemand version of the keynote for the details

Expression Web 3 – Coming soon
Includes SuperPreview for seeing preview of web content in different browsers even if not installed (using cloud services)
Standalone SuperPreview for comparing IE 6,7,8 available today in Beta

ASP.NET MVC 1.0 – Available today (for .NET 3.5 and VS 2008)

MVC update within the ASP.NET 4 & VS 2010 timeframe

Web Gallery for ISV web server applications

Web Platform Installer V2 – free from microsoft.com/web today
Installer for web servers making latest (from feed) Microsoft platform components and 3rd party gallery applications available in integrated setup UI

Commerce Server 2009 available now

Azure Sevices Platform – on track for commercial release this year

• SQL Data Services becoming full relational database API
• Fast CGI support also in Azure this week
• .NET Full Trust support coming

Silverlight 1 & 2

• 350 Silverlight installs
• 200+ Microsoft Products & Websites using it
• 10,000s of apps globally (inc. Ebay, NBC, Careerbuilder, Aol, Intuit, BSkyB, Yahoo Japan)

Silverlight 3 – Beta available today with VS tools at silverlight.net!

• GPU hardware acceleration (Windows & Mac) – 3D transforms and pixel shaders on controls, images and video – not clear if 3D model rendering supported
• New codec support (H.264, AAC, MPEG-4)
• Raw bitstream audio/videop API
• Improved logging for media analytics (ads and monetisation)
• Deep linking, navigation and SEO
• Improved text quality
• Multi-touch support
• 100+ controls available
• Live library caching
• Merge resource dictionaries
• Style inheritance
• Running outside of the browser with connectivity awareness events!

4.4MB download – actually 40k smaller than Silverlight 2!

Expression Blend 3 Preview available today

• SketchFlow (for idea sketching of states and transitions)
• Adobe Photoshop and Illustrator Import
• Behaviours and live data (not needing code or VS to get thing running)
• Source code control
• Intellisense added

IIS Media Services (free download via Web Platform Installer)

• Lowest TCO for making adaptive smooth media streaming available through a web server
• Support for live streaming
• Support for edge caching – akamai has smooth streaming products available
• Using shipping Expression Media Encoder 2 to encode/publish video
• Includes PVR like functionality through Silverlight 3 player for live pause, rewind, archive.