Its a good idea. All programs obviously have different advatnages and disadvantages, and also prices! I believe the Poser 4 renderer is a bit limited, but you have the advantage of being able to alter your pose on the fly. Bryce 4 has excellent materials but to me you can tell when a PIC has been rendered in Bryce4. The only other package I use is 3DS. To me the renderer in this is far and away the best, but then you have the problem of making materials (which is a nightmare, but very powerful once you know what your doing) and also the price. Just my ha'penny worth :)