I listed 6 rinsed ball lock cornelius kegs on craigslist for $100. Shipping these is not economical, so if you are in the Boston area, it is worth messaging me and picking them up. E-mail me through craigslist as my inbox here is full.
Link to the posting.
6 Cornelius Homebrew Kegs
Link to the posting.
6 Cornelius Homebrew Kegs