Yet another good source for retro lighting, Dallas' Swank Lighting is run by Ed Sexton and Doug Taylor. According to the site, the duo ran across a "long hidden, nearly forgotten treasure trove of handblown vintage Murano lamps from the 40s, 50s and 60s."
They bought the entire contents of the warehouse containing the lamps and the rest, as they say is history. There is an online site and a recently opened showroom. Here are a few examples of the Swank Lighting style:
More info on Swank can be found right here.