If you're looking for fake 80's horror inspiration, look no further than Garth Marenghi's Dark Place.
YouTube - Garth Marenghi's Darkplace Episode 1 - Part 1
Just as important (perhaps more so) than the medium you chose will be the choice of camera technique and editing. These have to fit both the genre and period to be convincing... but over the top to ensure you get a parady and not just a bad film
