if you are cool with used, try KEH. have had really good luck with the stuff i've gotten from them over the years - their BGN (bargain) rating is like most others 'fair' rating.
try this page:
http://www.keh.com/Camera/format-Accessories/system-Light-Meters/category-Light-and-Exposure-Meters?s=1&bcode=GM&ccode=70&cc=78407&r=WG&f
dh