I'm sure Montreal is a great City (never been there myself)
but that Top10 list on the site is a joke, take a look at it !
10. Rio de Janeiro, Brazil
hot girls,hot weather that's all ! ( for some hot girls is a good enough reason
9. Frankfurt, Germany
great if you're a banker, Frankfurt sux
8. Paris, France
maybe ok for a 3 day visit, not a day longer !
7. London, United Kingdom
no comment
6. Hong Kong, China
smog, polution,great chinese food