will this work well with a Gitzo G1127 Mountaineer Sport carbon tripod?
I purchased one for my series 0 and series 2 Gitzo, and I think it is great. It is not as buttery smooth as the RRS or Kirk heads, but for the price difference it is fantastic. It has no problem keeping my Nikon D7000 with 80-400mm lens level and steady. I do have larger heads but like the one knob convenience of this one, the weight and size too. I think it would be a good overall head for a series 1 Gitzo as well, assuming your load is below the max load of 8.8 lbs the head states.