In canada the cheapest gms cell coverage and no contract (with no data plan) is either Petrocanada or 711 - both sell speakout.

In toronto there is also a wifi provider - Toronto Hydro with pretty good coverage of the downtown core for $30 a month.

I have a n800 and as I am cheap I either go off that, my work wifi, home wifi or off my friends iphone (acting as a hotspot)