zerokernel.com

I found a very simple comparision between Flex and silverlight, but indeed very funny, mostly for developers not for DRM lovers

Adobe Flex: 19 lines
Microsoft Silverlight: 164 lines

Main reason for the difference: Adobe Flex has a [Bindable] attribute

Check it four yourself:

http://riaflex.blogspot.com/2009/01/size-matters-when-comparing-adobe-flex.html