Not to try to dissuade you, I think you've made the right call, but the C27s won't have wood or any other coring in the hull itself.
Plenty of other better candidates out there and it is a buyer's market.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)