Ive got some 5 spoke Marchesini magnesium wheels Jim (and Rob Barksfield is well on his way)and the difference is incredible !!...see here;
http://ducatisportingclub.com/xmb/vi....php?tid=19482 ....but your problem here is going to be finding some. Both Rob and I have had to adapt the fronts to fit and I even had some issues with the bike as it was a corse wheel. The rears are like rocking horse poo !
Nat