Sometimes, the finest geekery comes in the form of fan films. Low in budget, but high in quality, they show what can be possible when you trust the material.
Here are three fan productions that I've been keeping an eye on (and one larger scale film that just looks like fun).
Green Hornet (not the Rogen film):
Judge Minty (a Judge Dredd fan film):
And finally, a piece of retro pulp called Iron Sky: