Application development?

[eluser]Unknown[/eluser]
Hi,

I'm really impressed with Media Center's interface. Does anyone know of a language/development platform that would allow me to design an interface like this? I realise there is web and flash, any other ideas? Thank you!

[eluser]TheFuzzy0ne[/eluser]
[url="http://www.dojotoolkit.org/"]Dojo?[/url]