New MSDN Article worth a read:
Data Binding and Event-Based Asynchronous Programming look like fun.
New Features for Web Service Developers in Beta 1 of the .NET Framework 2.0
Introduction
The .NET Framework 2.0 Beta 1 release represents a significant milestone for the Web services and XML Serialization stack in the .NET Framework. The enhancements in this release are centered on delivering a mature platform that makes it even easier to develop connected systems with Web services. Developers who have built Web services using previous versions of the Framework will be happy to find this version delivers many of the features and enhancements they've asked for. [Read on]