I like the look of the Soma Buena Vista mixte. Been thinking about building one up for my wife as it's hard to find vintage ones in her size (56-58 cm). Not sure if Soma counts as mass produced as they're a bit on the small side though.
__________________
Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"