The best place to ask questions about SF or indeed almost any genre film is
the Mobius Home Video Board (  Though the Board is
certainly not limited to genre work (there have been extensive discussions
of Hou Hsiao-Hsien, Godard, Brakhage, etc) that's definitely a strength and
the sheer amount of knowledge is astonishing, even to a long-time buff like


Online resources for film/TV studies may be found at ScreenSite