Support Script# and give us an answer to the Google Web Toolkit.
Knockout, SPA, Upshot and other JS libraries are being worked on and combined now to make this a better story.
Matthew Leibowitz commented
A far better option to Script# is the Saltarelle compiler: http://www.saltarelle-compiler.com/
Keith Hill commented
I would prefer a statically typed alternative with access to the .NET BCL I've spent the last 12 years becoming very familiar with.
I know internal teams are using this. Share the love... http://projects.nikhilk.net/ScriptSharp