Overrides equals more maintance. There is NO way to cut an OR tranny and make it last like stock. With a duneable we add springs to help with back load. The springs are not goin to save shift forks from wearing they will prolong them from wearing.
The pro mod tranny is the only tranny you can treat like stock and not be damaging forks.
If a customer isn't capable to check forks once a year I neve recommend a OR tranny duneable or not.
I use to cut duneables with steeper dogs and had great success. But you will get a few that lock up at low speeds under a slow down shift. So I went to a shallower cut with stiffer springs. This is more succesful in most riding conditions with proper maintenance.
If you don't want to screw with tranny or you jump slot-PRO MOD
If you are capable of shift fork checks yearly, don't jump and want To do trails - DUNEABLE OR
If you sit at the hill or track and race - STD OR
This is merely my opinion. Cam