There's this podcast that's kinda like Filmspotting, it's called Double Feature. Every episode is about two movies. I like it because it's explicit and spoiler inclusive. It also has a skeptical sort of bent to it. The feed is AAC and has chapters, so you can skip over the movies you haven't see so you aren't spoiled.
Here's a link I pulled of their site to subscribe right in iTunes: http://tinyurl.com/6nog7l
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