After 3 weeks of no real help from the community, he decided to make it closes source, and only release binaries for the engine for free.
Yeh, that's a shame. I'm surprised that there's seemingly little interest, but it might take more than 3 weeks to get the momentum going.
@FlameDuck: I could be wrong but I think he wanted mostly feedback and feature requests rather than C++/Ogre gurus, although I'm sure he'd be glad of any help in that area too.