Whether its a complete rip or homage to Hitchcock is for the indivdual to decide but I absolutely love the film. I know it is not De Palma's best but it's my favorite out of the films I've seen. Thanks to the new
Blu ray release, I can finally own this instead of the SD DVD. The score by Pino Donaggio is great as well
Youtube Playlist. Here's a scene analysis from the Toronto International Film Festival youtube account
https://youtu.be/jExXclbCetc. I don't know if there was another trailer that was made for the film besides this one: Trailer
https://youtu.be/CJ8f_8ZvkPs