OK, here is my list.
1. Soviet Union 1979
- Most dominant performance ever in any a modern era international tournament. Won all its games and usually with at least 6-10 goals, even against Czechs, Sweden and Canada. 11-1 against Czechoslovakia!
2. Soviet Union 1973
Almost as dominant as in 1979. This was trojka Petrova's show. Again the Soviets won all of their games.
3. Soviet Union 1981
Just a great team. On paper this may be the best team ever, but those two ties against Canada and Czechs put a minor dent in their performance.
4. Soviet Union 1983
The true incoming of the KLM line. This tournament was all about KLM line and Fetisov and Kasatonov on defense.
5. Soviet Union 1970
Another great team on paper: Kharlamov, Maltsev, Firsov, Petrov, Mikhailov, Starshinov, Ragulin etc. Was not as dominant in the rink as those late 1970's/early 1980's teams though.
6. Soviet Union 1982
One of those great Soviet teams of that era. Won all of their games except last meaningless game against the Czechs which was a 0-0 tie.
7. Soviet Union 1986
Soviets again won all of their games. The dominance of early 1980's was gone though. But a convincing victory.
8. Soviet Union 1978
Soviet comeback after two consecutive losses to Czechs in 1976 and 1977. This was Fetisov's breakthrough tournament. He was the best defenseman of the tournament by a wide margin, as a 20-year old.
9. Czechoslovakia 1976
The best Czech team ever.
10. Soviet Union 1990
Mainly the way they played in the medal round. The KLM line was gone but this team played convincingly the whole tournament and was unbeaten in the medal round.