Advice on Potential boat purchases

I know it's hard to really tell anything without seeing a boat in person but I was wondering if someone could help me narrow my search. Here are 5 listings to boats I have been thinking about buying. All boats are in my price range. cheaper would be better but i'd rather spend more upfront to save a little money in the long run on replacing worn out parts.
http://providence.craigslist.org/boa/5559380987.html
http://providence.craigslist.org/boa/5542491862.html
http://boston.craigslist.org/nwb/boa/5607659126.html
http://hartford.craigslist.org/boa/5559800163.html
http://capecod.craigslist.org/boa/5558507945.html
http://providence.craigslist.org/boa/5559380987.html
http://providence.craigslist.org/boa/5542491862.html
http://boston.craigslist.org/nwb/boa/5607659126.html
http://hartford.craigslist.org/boa/5559800163.html
http://capecod.craigslist.org/boa/5558507945.html