I'm gonna have a play with "axiom" (an Ogre port) and Mogre (an Ogre wrapper).

Decided I can't be arsed with getting things to work on an xbox anymore, and for PC only development Ogre seems a lot more established than any XNA framework out there.

On a side note, I finally understand things a bit better :) I can do vertex and pixel shaders and I can make a skydome with clouds and sunset/rise and stars and whatnot :)

Now i've just gotta make the game :?