On my webcast today, I received many requests today for additional information on ASP.NET 2.0 Membership and Personalization articles and tutorials.

Dino Esposito's article, Personalization and User Profiles in ASP.NET 2.0

Writing a Custom Membership Provider

Passport Authentication Provider

From the Patterns & Practices Team, Security Guidelines: ASP.NET 2.0

Detecting if a client's browser supports cookies

And of course, there's always http://beta.asp.net.