In Belguim, add Brugge. Hit up t'brugs beertje and Cambrinus. Also do a tour of the Haalve Maan brewery. Also if you are in Brussels, check out the Cantillion brewery and Moder Lambic Fountainus if you are into sour beers.
In Germany, you could also try Cologne and/or Dusseldorf.
Bamberg...