Nice looking Trek 400. Price might be high, but I'm no Trek fan, so I don't know. Can't just cut-and-paste the ads here anymore, so here you go:

http://seattle.craigslist.org/skc/bik/2139834629.html

And here's another, for considerably less. Different model, obviously:

http://seattle.craigslist.org/est/bik/2140739737.html