We can now get onto the goodness of the Unity Engine for no cost, at least for the basic version. This is an exciting development as Unity 3D can do all manner of things including publish to the web and with an upgrade to the iPhone and Wii as well. It is nice, like with Crysis, how easily you can switch from editing to playing the level.
I took a sec to grab the new editor off the site and modifying the included island was pretty intuitive. Here is a quick shot of the interface doing its thing: