Best online video place I know of is Twonky Video. They specialize in
cult and hard to find movies, they cover VHS as well as DVD. They're
atrting divisions to cover more mainstream video. Rental is only
available to local area, but sales are online.
He also has a collectibles store and a vintage clothing store and a
comics store at http://www.neetstuff.com
I'm no expert on the subject, but something tells me the person who
invented spaghetti was a sadist.
Online resources for film/TV studies may be found at ScreenSite