You can buy bulk 7mm, copper core, wire for cheap and put on the old OEM boots yourself. It should be less than $20 easily. John Schmidt did a write up on changing out the OEM boots:
http://www.valkyrieriders.com/ShopTalk/plugwires.pdfThere is a drain hole at the bottom of the spark plug well so if you decide to use non-OEM boots you will be fine as long as the drain hole is clear.