I'm reading and learning about muni wi-fi lately. Been talking over email, considering impact... all that fun stuff. If you're really all that interested, here are my posts so far on it:
Two ways to look at muni wi-fi
Oly Muni Wi-fi update
Muni Wi-fi (in Oly)?
If a city-wide system (with its dual streamlined gov't plus free wifi) just isn't in the cards, and a downtown central network would be too hard, too costly or people just wouldn't like it, what why not establish wi-fi networks at the Olympia Library and the Olympia Center?