Pearson vs Whitby
"Any other opinions for boats are always welcome..."
I would recommend you look at a Pearson 424 ketch or cutter. I say this out of bias, of course, because the lines please me and I see no offsetting benefits in the center cockpit version of the 422/424''s hull & extended fin/full skeg rudder. I remain unconvinced that center cockpit boats give "more privacy". On larger boats, maybe...but not in the 35-40'' range (at least in my view). The difference between our aft & forward cabins - with their visual and distance separation - isn''t that different from a huge dent being inbetween them, as in the 422.
Tanks are either under settes, under the V-berth and/or below the cabin sole. Nothing in a center cockpit design contributes to tankage, that I can see.