Optional...Recommendations??

Hi

I'm going on the European Panorama tour on Sept 4th and trying to budget my money and decide what optionals to do. I was just wondering if anyone has any feedback on the following optionals offered through Contiki:

Paris: Moulin Rouge (dinner and show)
Barcelona: Flamenco show at Tablao de Carmen
Monaco: Monaco Restaurant
Florence: Tuscan Evening dinner
Florence: Space Electronic Disco
Rome: Vatican Tour
Pompeii: Guided Tour
Corfu: Dinner and Greek dancing
Corfu: Caique cruise (George's Boat?)
Venice: Gondola ride
Venice: Walking tour
Venice: Venetian restaurant
Vienna: Schnaps museum
Vienna: Dinner and Mozart concert
Austrian Tyrol: Bike tour
Swiss Alps: Mt. Titlis cable car ride to the top for a view
St: Goar: wine tasting
Amsterdam: Volendam restaurant
Amsterdam: Canal cruise


ANY feedback would be greatly appreciated! Thank you.

-kat