I have been using a Gitzo G1348 with Arca Swiss z1-sp ball head with excellent results with my P67II: zero camera movement even off-axis with a 400mm lens. I always use MLU and Manual stop down on the lens.
Originally Posted by PaulMD
If you can, take your camera, heaviest lens and head to your local camera store and see how it responds on the different tripods. It's been my experience that a tripod that weighs 3lbs with a 35lbs load limit will not work as well as a 5 lb tripod with a 26lb load limit.