Meh.  I don’t find hallucinogenics very appealing, and apparently I don’t find them very interesting either.  The rotoscoping technique used was exceptionally pretty and I think added to the effect that the director was driving at, but I couldn’t find myself to care about the plot much.  Maybe I’m getting jaded but the plot twists were all very obvious and the pacing seemed erratic.. sometimes too slow other times much too fast.

Maybe the book was better, but the film is a miss.  Unless you think that a bunch of hallucinating idiots babbling is interesting or funny or whatever.