The Pro Video Coalition has an article on a joint NVIDIA Adobe research project on doing ray traced 3D within After Effects, and it looks amazing. I just hope it will work with my GeForce GTX 285, or that NVIDIA will come out with a new better CUDA card available in Mac. I would consider a 4000, but it barely work with Lion or Apple products at this point, and is already a generation behind.
Let’s hope this gets integrated into After Effects soon! Realtime 3D would be amazing.