I bought T200 about 1 1/2 years ago with the AM2 shaft. Gained yards and accuracy as well. I spoke to my wife last evening after I gave her a birthday gift and told her I was ordering the T100S irons. I know she could care less but just wanted her to know. I have a very good local fitter and he told me then to get the 100 irons but as smart as a golfer that I am, I did not listen and so I am going to see him tomorrow and call the rep from my club tomorrow with the specs on the order. I did switch about 3 months ago back to my Scottie Cameron 1997 Newport 2 trillium putter without the button back....and have lowered my handicap from 9 to 6.9 index.
Like most others have said, they look too good to pass on and if they are as solid as my current irons, I will love them.
74 and a half and still playing 5 days a week.