Venice -wasnt there long enough last time
Venice is great, for some reason a lot of jaded tourists despise it and always claim it's dirty. I have been there twice and like it more everytime. One of the few cities I have been to that is exactly as it's portrayed in pictures, movies, etc. Sure it's touristy, that's why we want to go because we are tourists.
Jake if you make it back over there Verona is a must see city as well. Home to Juliet, well supposedly anyways. It's not that far from Venice and is well worth a day trip. Milan and Pisa however are shitholes and I wouldn't waste 2 minutes going to either one ever again.