Greens with new fans

I'm starting to notice that the interior greens that have the new fans are recovering from traffic much better than the greens with old fans. Our regular bad greens like 5 &14 are doing much better that the greens that older, smaller fans (6,7,13)

In a couple of months I will start working on budgets for 2014 and at this point I think I will re-arrange our equipment purchases to make room for 3 new fans on 6,7,13. I always knew that they made a big difference, but never thought the difference between the new and old fans would be that apparent.