Microsoft asp.net team and and http://www.learn2asp.net/ has launched a new web cast series about migrating from other languages to asp.net 2.0.
It's contains following web casts;
Migrating to asp.net 2.0 (2 web casts)
Migrating from asp to asp.net 2.0
Migrating from jsp to asp.net 2.0
Migrating from coldfustion to asp.net 2.0( 2 web casts)
Using PHP on Windows Plateform.
here is link for that