Stroszek is the most story-orientated of the four I've seen in that set, and perhaps his saddest film, whilst Fata Morgana is much more visceral and hypnotic (along with, I suppose, the disturbingly bizarre WDSS). So yeah, it depends what you're in the mood for. The Enigma of Kaspar Hauser is excellent too by the way, quite slow going but if you love Herzog's strange, naturalistic documentary-esque style you'll definitely enjoy it. When Dwarfes Started Small needs watching just because there's no other experience anything like it, though I'm not sure I *enjoyed* it as such. HoG I'm yet to see, though I own the same box set.