Check this out, both posted on the same day just 30 miles apart:
http://portland.craigslist.org/clc/clt/913586658.html
http://portland.craigslist.org/clc/hsh/913710171.html
http://portland.craigslist.org/clc/clt/913586658.html
http://portland.craigslist.org/clc/hsh/913710171.html