I've been doing an online course called "The Crazy Wisdom of Philip K Dick" at Maybe Logic Academy for the past 8 weeks. the teacher is Erik Davis, a PKD scholar (amongst other topics). it's been great. each week we read parts of a book (The Three Stigmata of Palmer Eldritch & VALIS) or watch a film (Bladerunner & A Scanner Darkly), then answer questions posted on the MLA course forums. the discussions have been great - I've learnt so much from it and have many things to keep researching. lots of different topics - religion, technology, parallel worlds, different meanings of time, gnosticism, philosophy, modern culture, and many more.. I'm sad it's over really.
I'm also doing the Technologies of Persuasion course with Douglas Rushkoff teaching - though I've fallen behind in this one. Also I've just enrolled in a self-study class of Robert Anton Wilson's (RAW) called Tales of the Tribe - so far it's about studying ideas in different literature works.
so if you're looking for a short course to do that will make you think - I highly recommend these!!
original movie file @ http://blip.tv/file/489020
blog post @ http://www.aliak.com/node/14216