I don't have experience with the track product as such, but I did buy their bandsaw fence, which is made of similar track. I had a good deal of trouble getting the fence to sit square on the table and to stay that way. I think a key factor will be how well the gizmo that holds it square works.
What I wound up doing was building my own fence out of plywood and melamine scraps and putting a couple of the big magswitchs on it. It works like a champ, never moves until you turn the magswitch off.