You can find a lot of good deals on Kjiji. While Aylmer, Ontario is a very small town, London is just 40 minutes away with a population of 352,395 and a very good london.kijiji section.
While a lot of people like london.craigslist I tend to go to kijiji with out thinking and only go to craigslist if as a second source. I persume it is because the kijiji listings have a picture beside them where craigslist are just one-liners.
Anyway I just pick up a 8 month old Tunturi C20 elliptical trainer. They retail for $749CDN and I got this one for $210 which was a very good deal.
Here is the Kijiji Ad: