Aurora Lampworks of Brooklyn, NY is in the business of restoring chandeliers in places such as the Lyndhurst Mansion and the Federal Reserve Bank. They also refurbish and market period pieces as well.
Currently up for sale are a 1960's Lobmeyr Crystal Chandelier ($3550),
a 1950's German 14 light chandelier ($1830),
and a 1930's Art Moderne chrome fixture ($2425).
And for the fugal purist, check out this polycarbonate globe pendant for 75 bucks.