Yup, gold foil transducers are fairly rare, sound great, and are worth a pretty penny.
Personally, I'm a huge fan of Teiscos (also called: Kinston, Kent, Kimberly, Norma, Audition, Top 20, DECCA, Sekova, etc.), but you should ALWAYS play before you buy, and get a model with a truss-rod. Truss-rods ARE necessary!