If you are into Serial there is a ton of stuff on Reddit about the story(maps,timelines,cell tower analysis) and I believe there are a couple of podcasts that have sprung up discussing each weeks episode(one is on Slate).
I have pretty much made up my mind on Adnan's guilt/innocence but I do think there are many strange unanswered questions and one can't help think that a more robust defense would have gotten him off regardless of whether he did it or not.