Well, I'd check MSDN first. For ASP.NET specific stuff, check out:
http://www.asp.net/whitepaper/whyaspnet.aspxyag
>YAG,
>
>Someone was asking me if I knew of any marketing materials for dotnet. I replied no, but of course I added, "But I know who does".
>
>The materials I'd be interested in address using .Net vs. other technologies, including standard ASP.
>
>Thanks,
>
>PF
>