Interesting discussion.
Unsprung weight meaning the weight of the suspension arm, wheels etc from the hingepin and top of the shock spring outwards eh? I get confused a bit with that.
But I did wonder about the advantages of lower CG, as the shocks are mounted quite high up, and reasonably heavy (considering the weight of the car). Could be interesting to test anyway (Clearance around the shock body cap if mounted upside down the trickiest part methinks.)