This will interest Ebb and maybe TonyG, as we've discussed this idea...
Cutting the main bulkhead away to open up the interior.
Well, there is a Bristol 27 on eBay right now where the owner has done that, to a degree. Here's one pic, there are a few more (but no really good ones) in the ad - link follows...
eBay B27
Mike - still thinking about that anchor locker.