My only nag is the need for a special tool ($$) to tighten the Mk11 diaphragm clamp. The torque is huge (310 in-lb/35 Nm) and all those holes are too close to the body to fit my hook spanner.
I can use a simple screwdriver with a torque cheater, but that's kind of ghetto.
I can use a simple screwdriver with a torque cheater, but that's kind of ghetto.