I think there are quite a few out there.
The Gozzard 37 not solid GRP, but The coring material is eliminated and replaced with a solid glass laminate in the areas of the sheer
line, centerline, keel, rudderpost, and thru-hulls. Pretty solid boat though.
(http://www.gozzard.com/main/g37/g37_frameset.htm)
I thought maybe a Shannon 39 but thats has some coring also
(http://shannonyachts.com/39home.htm)