No recent con is complete without a decent steampunk presence. There are several great costumes in the round-up in my picasa album.
The Toronto Steampunk Society (the link is to their facebook group) and Steampunk Canada had a really cool booth:
There was also an amazing assortment of steampunk jewelry and memorabilia on sale.
Black Currant Jewelry.
Unfortunately, while I did collect business cards from several booths, the one selling the sextants didn't have a card, so I can't say who made them.