[David]

The coverage is getting better:

* Albany and Schenectady
* Boise
* Boston
* Chicago
* Dallas
* Denver
* Detroit
* Ft. Worth
* Houston
* Indianapolis
* Juneau
* Kansas City
* Las Vegas
* Los Angeles
* Manchester
* Miami
* Milwaukee
* Minneapolis
* New York City
* Orlando
* Philadelphia
* Phoenix
* Pittsburgh
* Portland
* Providence
* Research Triangle Park, NC
* Salt Lake City
* San Antonio
* San Diego
* San Francisco Bay Area
* St. Paul
* Tucson

And...
# Albany and Schenectady, NY
# Boise, ID
# Juneau, AK
# Kansas City, MO
# Manchester, NH
# Milwaukee, WI
# Research Triangle Park (Raleigh, Durham, Chapel Hill), NC
# San Antonio, TX
# Salt Lake City, UT

There is also a map here

I'm still waiting for Atlanta and Rochester coverage.