Yesterday, Levi sent me a link to this add-in for Reflector that disassembles a Silverlight applications and shows your the JavaScript to run it.  I must say, it's a pretty nice little add-in (that includes its source) for Reflector.  Below is a picture of the disassembled Silverlight Airlines demo given at MIX '07:

Silverlight Reflector Add-In

Check it out if you have the time, it's pretty sweet!