I wish I had seen them before, I bought the rarespares centre, trims and nuts kit.
I take it you don't like the rarespares trims... I couldn't find anything else, they look ok.
I have original centres but keep them locked away... too hard to get and too easy for someone to steal off you Sandman.

http://www.rarespares.net.au/rarespa...roduct=WT1004A

http://www.rarespares.net.au/rarespa...product=WT1004