Slow good–like Heinz ketchup. Very very fine performances all around, but especially by Chris Cooper.
The problem with biopics is that if the impersonations don't quite work, the movie suffers. The Andy Warhol and Edie Sedgwick parts are excellent, but Bob Dylan dragged the movie down for me.
Worth it just to see Hugh Grant play an 80's pop idol. Also, romantic comedies aren't easy to do. Need proof? Go see Catch and Release.