This movie is simply a staggering classic which probably will live on forever. I remember seeing this movie as I child in Norwegian and the beautiful glimps of magic moments. As a Czechoslovakian myself I've see also seen the Czechoslovak version and honestly its really there were Cinderella blooms in all its greatness although I still recommend anyone to watch it. It is perhaps not a typical Czechoslovak movie, lacking the characteristic humour and comedy aspect but it is still a feel-good movie which will make a distinctive impression on you.
PS: Here, in Norway, the movie is actually the only movie which people demand has to be sent on the state channel NRK1 on Christmas Eve - claiming that there will be no proper Christmas without it; And I think that summarizes pretty much what a classic is all about!