Wich cities are better to go at our own and wich ones in a tour (Copenhagen, Estocolmo, Helsinki, San Petersburg, Tallin, and Oslo)

me and the mrs will be on the august 9th cruise on jewel of the sea. we have booked the 2day comprensive 2day tour with alla tours $300pp. the rest of the ports of call we will be doing out own thing. look up the things to do on the other ports of call. first time cruising

We just got back from the Baltic Cruise, in St.Petersburg we had a 2 day tour with DenRus and was just great, the best we had in all the cruise.