Hi lapworth,
We contemplated the same thing this spring. Here are the threads regarding this issue.
http://www.sailnet.com/forums/gear-m...rm-advice.html
http://www.sailnet.com/forums/gear-m...wire-rope.html
We eventually went wire to rope as we didn't want to have to change the sheaves. We had them made by a gentleman from NFLD
YATES CUSTOM RIGGING He was very helpful and quite reasonable including shipping.
Hope this helps!
Bobby