Hi, I'm a beta tester (though a very unobservant one it seems [Smile] ). I missed the mipmapping for models because I've been focusing on other aspects of the engine (lame excuse I know). Anyway, I've just checked it out. You don't have to add a second skin, you just do as it says in the beta text (Convert Skin -> Add Mipmaps) and then resave the model. Easy as that.
Sorry about my misinformed post before.
Cheers,
Keith