I do think it'd be good to have a discussion of the purge of the old bolsheviks at some point. Such, I get folks like Trotsky and Tukh, but it doesn't seem that it was warranted for a lot of them. There's also the issue of Stalin demoting or purging any possible dynamic successor, so when he died you either had a wet blanket like Malenkov (and Zhdanov before he croaked), revisionists like Kruschev, or the piece of work that was Beria.

I know I have Stalin: Critique of a Black Legend downloaded, and some of the Grover Furr thesis is interesting, but that would require reading which is hard.