I look in the marketplace frequently and notice people list their machine as only being for trade. I get this is a hobby for many, and when participating in a hobby, trading is done quite often. However, I don't understand why you would want to box yourself in when trying to get rid of one machine and pick up a "new" one. I can see offering it up for sale for a certain price and also offering it up for trade for a few desired machines in return. Obviously, to each his/her own. And not trying to bash anyone who only wants to trade.
What say you all?