GotDotNet - Nice web site for information on .NET. some samples and Resource Center, .NET framework technologies, a tutorial and tools are all available.

http://msdn.microsoft.com/webservices/ - Web Services Developer Center

http://www.asp.net/Default.aspx?tabindex=0&tabid=1 - Free ASP.NET development tool: Web Matrix

http://www.w3.org/2002/ws/ - Web Services Activity from W3C

http://www.webservices.org/ - Webservices.org