and Javascript. It is very very fast with Javascript. You can do what is discussed in this thread today by detecting Silverlight in the client and if it exists

and Javascript. It is very very fast with Javascript. You can do what is discussed in this thread today by detecting Silverlight in the client and if it exists use it instead of Javascript source. DOM access, manipulation and everything else is just so much faster. The Silverlight SDK is free, you can get it on Linux and OS X (Moonlight) and there are a lot of Silverlight VM's out there