I don't know how many of you will actually be interested in this. As a gigantic Joss Whedon fangirl I deem it to be the most amazing thing ever. But that's the thing about fangirls/boys, they squeal with delight in the most biased of ways.
"Dr. Horrible's Sing-Along Blog" is a 3 part webseries thing. I grabbed if from itunes. You can get all 3 acts for $3.99. Yes, it is a musical. Yes, it is laden with Buffyesque humor. But it's a crazy geek sensation ! You owe it to yourselves to get in on it. Plus, Neil Patrick Harris is super funny and a good actor to boot.