The fun thing, at least in Poland, is that the most influential reforms were done in 1988 - in fact some of the better managed enterprises started reforming then, one of them being in pretty good shape - but got killed by politician due to what was
party-internal strife... and no, we're not talking communist party - we're talking Solidarność. Then a bunch of actions were added on top in attempts to deal with large foreign currency debt, and they weren't exactly done well, and various economic areas were just destroyed with a strike of a pen, in what even the western advisers considered extreme ways. Those areas? They still haven't recovered, because there was nothing available for recovery.
There was surprisingly a lot of free thinking, innovation, even entrepreneurship. Not everything was as bad as it was painted, not everything was as good as it was sometimes shown.
One of the rare positive elements in all that chaos that some had pointed out and I agree was that the chaos at least ensured consumer goods were better represented and prevented oligarchic centralisation to the level that happened in some other countries.