Nice boat but looks a tad cosy from a fairly narrow beam??
I've spent a fair bit of time racing
a Stewart 34 and never really thought of it as narrow beam, but then racing
isn't cruising. The Stewart 34s were a very active racing class in Auckland
and were used, among other things, for match racing with several lead up events
resulting in international match racing with invited skippers and crews. In harbour racing the boats get pushed hard and being masthead rig they are reasonably easily handled even without a full crew (usual crew size was 6-7 bods).
An older (somewhat classic) hull
shape, but this one is a relatively new example with many mods for cruising comfort.
Trademe may have some other NZ boats that fit your criteria ... might be worth having a poke around there?