I know my Toronto-ist daughter will be interested in this: a Toronto-branded long-john cargo bike being marketed there.
Tne only caveat I have in all this is that I can't find diddly-squat about HaulBike. The HaulBike site is spare, limited to not much more than I've written here, and the prices ($1099 for the single seater; add $400 for the two-seater and $700 for electric assist).
I'd like to know that if I'm committing to purchase something, that there will be something to purchase! Still, it can't hurt to send an email and say that you are interested. Expect to see more cargo bikes in your bike-friendly cities. They are simply too smart an idea.