I've got nothing against amapi (except that it constantly crashes my computer!) but personally I would prefer to see Eovia add some muscle to the built-in Carrara vertex modeler (things like beveling/rounding, interactive extrude, knife tool, etc. to bring the VM more in line with other polygon modelers). Lightwave has the separation between modeller and layout and at least for simpler projects that can be a bit of a pain. I've only played briefly with the amapi 7 demo so I can't speak to how well the bridge works. One thing I'd wonder about is how the bridge works when it comes to texturing objects inside Carrara and how does it interact with third-party uv mappers. It seems like most complex texturing is done in conjunction with these uvmapper programs.