I've sailed a couple of big Nonsuches with wishbooms. I would much prefer the newer rig.
If you're locked in to pre-1970s technology, then they're probably the best thing going
Some would dislike the combination of stack pack and full battens, and it's true that you have to learn the quirks of...
Why would you want to ruin it with a conventional rig? If anything, take off the wishbooms and put on conventional booms on solid (hydraulic?) vangs with stackpacks & full batten sails.
FB- Doug
Is there any value in ANY "brand name" related to sailboats, other than appealing to nostalgia of old farts who probably aren't going to buy one anyway?
FB- Doug