I'm quite happy to confirm that Warsaw is excellent, and quite easily comes in 2nd place in my League of Eastern European Cities.
I can also confirm that 'Charleroi' is pish, and the only place worse than it in the whole world in Brussels, which is even more grim than I remember it being.
I also nipped in past the Belgian Grand Prix on Sunday, as this photo conclusively proves:
(this photo is also available at other locations on the interweb)
boom.