I bought a 6600 off Craigslist in St. Louis for $400. It was from a woman who wanted to upgrade. We went to her home and she brought out all her quilts etc that she had done FMQ on this machine. The thread spindle had broken off and she used a nail and there was something else broken too. Can't remember. My only problem was that we could not thread the darn thing at home and it would not sew for me. The manual was terrible in describing how to thread it. So I took it in to the shop and had it cleaned and a new thread spindle etc fixed. Cost me $125 but now I know how to thread it and it is in perfect shape. Go and check this machine out, I think it 's probably legit. My husband went with me into the house, but it was totally safe. Nice neighborhood etc. Be sure and sew on the machine, find out how it threads, will save you some money !!