I've just got back from Paris, where the Metro is half the price of London's tube system, and (for me) just as good. And you might like this bit: I'm really going off the way London's skyline has been opened up over the last decade or so -- it's a mess, and all about egos and affluence, rather...
I would exclude Florence because it's a nightmare tourist trap (and suspect the same goes for your jewel too) and, while liking big crowds as football matches, gigs and demonstrations, I'm less keen on the sort that frequent such cities.