This gal's first time visit to Porto really sums up what it is like there, albeit for other motives than wine. A great 5-10 minute read:
http://annzventures.com/porto/
Adventures in Porto
Moderators: Glenn E., Roy Hersh, Andy Velebil
Adventures in Porto
Ambition driven by passion, rather than money, is as strong an elixir as is Port. http://www.fortheloveofport.com