I have noticed that many of the older irons have a fairly high mpf – including the Tommy Armour 845 clubs. I used to play some of my best golf with a set of 845 Silver Scots but I realized that there were some other Tommy Armours made that I never had heard of. This includes the 845U and Vault sets. Is it really worth spending the money on new irons when you can find older irons in really good shape? Some of the the Tommy Armour had True Temper Gold Shafts. I have hit many sets of older clubs – including Ping Eye 2, which I hit very well.