Rick, before going the fully adjustable route, I had inner end rose jointed standard rear wishbones on the car.

These obviously only allow you to adjust the camber of the rear road wheels. Your stuck with the toe/castor settings from the rubber bushes etc but it is a good start and a positive improvement on stability.

We made them ourself and they only got slung in the bin recently.

Thats a good step forward, give us a shout if your interested in this route

Nige