http://toronto.craigslist.org/bik/238789850.html
This looks like the tandem that was on sale at the bike swap

http://toronto.craigslist.org/bik/238765999.html
And while this guy IS swallowing $150, can't you get this bike new from a store for around the same price? He is just saving you the premium of going to curbside to buy this years model.