Decided to go all blingy for the binding posts so swapped out the CMC's for some rather up-market pure copper Furutech FT-809G Torque-Guard binding posts, yum!
May fit some copper spades. These posts have a clever torque limiting mechanism fitted to ensure that spades are firmly clamped up but you can't over-tighten them as a ratchet kicks in. Prevents damage to the rear binding post panel and the spades/posts. The banana sockets are reassuringly firm fitting.