There was a nice article about growlers, and local microbrewer in the
Pittsburgh Post-Gazette. See Links:

http://www.post-gazette.com/pg/06005/632504.stm

http://www.post-gazette.com/pg/06005/632505.stm

Are growlers popular in other parts of the country? With PAs unusual
drinking laws I am surprised people are able to bring an empty bottle to a
bar, and have it filled.

Tom