I have 5 Russian colonies, as well as Italian, Buckfast, German, NWC, and a few colonies of Ferrel's. Trying to find, the one that I like best . The Russians are fast to build up, not as aggressive as the Buckfast. You have to stay one-up on them or you will find them hanging from a tree and a paniced neighbor on the other end of the phone. When I start next years expansions, I think that Russians will make it in the top 2 for our choice to buy, Buckfast, will be at the bottom of the list.
Good luck,
Marc