It really doesn't make sense to have pay-wi-fi in coffee shops, as I mentioned earlier.. if I'm looking for a place with wi-fi I avoid those with pay-wi-fi and go to those with free wi-fi, even if the coffee I buy is more expensive than the wi-fi was in that other place.. and I think I'm not alone in this way of reasoning.

EDIT: And oh, another thing: With free wi-fi you know what you get: Connect and try. With pay wi-fi you don't. Like in that T-Mobile hotel I checked into. Paid the money, only to find that a) I couldn't have the laptop and the N800 on at the same time, and b) The network didn't allow me to sync my email over ssl imap. Apparently T-Mobile, in that place at least, limited the connection to what they figured it should be: http, https and ftp basically. Well, I'm guessing about the ftp because I didn't use it. But getting my mail didn't work.