Lew is right on the price, I'd say in the $xx.xx range. If you get very lucky, you may get in the $xxx.xx range. Not that people don't ask it . . .
If you watch Craigslist - look for older stuff and see waht they are asking - becuase that is often an indication of what is too highly priced. Or watch every day and note prices for similar machines - and if they disappear quickly indicating they have sold.
That is the main drawback of craiglist - the prices you see are often what machine WON'T sell for. So people will look and see three or four similar machines for $150 and think - wow, that is what I can get for mine! Instead of thinking - if there are three sitting at $150, than that is more than anyone wants to pay for them.