Having spent some time away from the game and this forum, it was good to spend some time reading through this thread. I used to shoot around the 90 mark with the odd lower round and looking back I definitely see a correlation between my scores and finding the fairway\green.
My most recent round was a messy 103 and after reading the many posts I went back through my round and worked out around 20 extra shots due to bad tee shots and iron approaches. The only really bad short shot I can think of was when I was short-sided with a bunker to hit over and ended up on the other side of the green. However that can be attributed to a poor approach beforehand.
So from that I know what my glaring weakness is and will be working hard over the winter to correct it. Daily drills at home to work on it with range session thrown in.