__________________
Chris. ->> Links are advertising NOT optimising!! <<-
Indifference will be the downfall of mankind, but who cares? Code Samples | People Counting System | Bits & Bobs
Main addition in ASP.net 3.0 is introducing following technologies
1)Windows Workflow Foundation (WWF) for defining, executing, and managing workflows
2)Windows Presentation Foundation
3)Windows Communication Foundation
4)Windows CardSpace
Hallbjörn Ólaf answered your question most precisely. Btw, as per the languages it doesn't bring any major changes except a few new classes that are irrelevant most of the time.