I posted a list of available bikes I found on craigslist on 1/2/14 in the "craigslist" thread below here in the classifieds area. I don't know if any are still available but you can check.
Also if you aren't aware of Search Tempest, it's a site that searches all the craiglists for whatever distance you choose. Just enter your zip and whatever you're looking for (TW200). It's a real handy tool.
Where in Michigan are you?