It might be a bit late but still, I want to let you guys know that Moonlight 3.0 Preview 1 has been released. You can download it from the link below.
Download : Moonlight 3.0 Alpha
But be careful after installing this plugin. You should only use this plugin on trusted sites (e.g. internal or well-known web sites) on non-production computers.
You can read more information in this post http://tirania.org/blog/archive/2010/Feb-03.html