Originally Posted by btaylor
I do not see anything in your kit that requires the 5541LS. I own the 5541LS and it is a beast. You definitely wonthave any drift or movement out of it, because it is rock solid. I use mine with my 500mm with a wimberly head. I would recommend it if you have some supertele's like the 300mm F2.8 or larger, a 70-200mm would seem like overkill to me.
I'm a fan of Gitzo, I do not own the 3541 XLS, I do have the 2541 and it is a great tripod but is smaller than the 3541 XLS. I would vote for the 3541 out of the options you listed.