Thank you gentlemen, any doubts I might have had about the workability of schooner rig, just went out through a non-return valve. The Down-Easters show how well the staysail schooner rig can look on a hull with fairly modern beam/coachroof/topsides proportions (though plainly there's nothing 'Average White Boat' about these hulls)...

...and the tiny U.S. gaffers which Rum Pirate recommends, show that what I read as a child, in (I think) Wendy Fitzpatrick's book, to the effect that "schooner rig on yachts less than 45' long is considered rather a gimmick"...was nonsense. These boats are gems, and I bet they're less tender than similar designs with dull, everyday marconi rigs.

Regarding the miniature brigs, I'm similarly impressed by how right they look, despite their unusual use of a big-boat rig on a fairly standard, small modern hull. Lots of useful links to look through, there..