I am thinking about getting some new irons. For the last 6 years I have been playing AP2's with Dynamic Gold stiff high launch shafts. I am now 57 years old and have lost some distance because I just can't get the club head speed I used to. I am a 2 handicap. I used to hit my 7 iron 160-165 yards but now it is down to around 145-150. I want to buy another set of AP2's but want to go with a different shaft, possibly graphite. I want a mid to high trajectory as I have a tendency to hit it pretty low. What shaft would you suggest? Thank You