Does the Phantasm series count? It has a lot of SF elements...
http://www.youtube.com/watch?v=X1wOobOGa4w
How they kept the lid on this for so long in this age of internet leaks and sneaks is amazing. I was afraid they would never make another one, or someone would do a lame reboot.
I'm almost more jazzed about this than the SW sequel. ;)