Tina Fey as Sarah Palin in the VP Debate

This is the funniest so far I think. Despite not having a lot to work with I thought they did a good job with Joe Biden, Queen Latifah was excellent as Gwen Ifill and Tina Fey was amazing as Sarah Palin (although she did sound Irish occasionally).

Here's the SNL sketch of Tina Fey as Sarah Palin in the Vice Presidential debate.