"Usual problems with steep turns are: inadvertent climbing, nose slicing down through the horizon (scary) or using "up" rudder, instead of elevator, to keep the nose up (dangerous)"
Wouldn't agree that top rudder is necessarily dangerous. Whilst in a PA28 it would not be a good way to keep the nose up in a steep turn, the elevator is for doing that, what it will do is side slip you into the turn, which in moderation is a safe manouevre, more so than over-ruddering into the turn, which could (with over-enthusiastic use of up elevator) cause a spin.