Deere still makes the older quick Traks (the A model in the line-up) that have the 7 Iron II deck, and now the ones that GMLC mentioned. I like the new ones, but I hear the same issues as he does about that deck. You won't hear any complaints about the 7 IronII from anyone, but the older style machine it is mounted to may not be in quite the same league as the new Deere/Wright model.
Like GMLC said- demo on your places to decide. I liked the Gravely very much even though I was quite awkward on it at first. It is very smooth, and the cut during my short demo was awesome.