Thanks for the replies. The fitting seemed pretty extensive. They measured all my clubs first. They all came out in the same flex range, but it was off by one. They are supposed to be 5.5's, but measured out at 4.5's. My sand and lob measured out out at ladies.
I then hit a bunch of 6 irons on Trackman and got a baseline. After doing so, the software suggested shafts and the fitter had a system of heads and shaft that he could put together in a matter of seconds. I tried a bunch of shafts different shafts from light weight steel (Kutchar's shafts), graphite (225 a pop), KBS, Nippon and something else. The KBS's seemed to be the most consistent. I don't remember exactly how I did with the Nippon. They said it was a fairly new offering from Nippon and they had had a lot of success with it.
I tried a bunch of different heads, with T-man collecting all the data. I wouldn't really have thought of the head that I hit the best. My surprise was at the end. He added it up and it was a lot more than I expected. What I didn't understand is that they get the components and assemble the clubs. He said this guarantees flex and weight and the puring adds consistency. I guess my question is whether all of this will make that much difference? On the other hand I don't change clubs often (had my current set 5 yrs) and golf is my only hobby (read obsession) and it might be nice to remove any question as to whether my clubs are holding me back from playing the best I can. But then I look in the bags of good players at my club and many are playing totally stock irons, many 10 or 15 years old. Confusion reigns.