Looks like some good ideas, CC....
The one comment I'd have (and you've probably thought this through already) is to be sure that the plan views shown actually reconcile with the hull sections, especially forward. It's easy to lay out some new features like your pullman and the settee only to discover that at the height they really end up being the hull is narrower already and skews your plans -
for example your pullman and settee fwd are shown extending to the deck edge, essentially, whereas the hull is really only that wide at the deck height... see what I mean? in reality they may be pushed towards centerline, and end up being smaller than shown....
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)