This season is already leaps and bounds better than last season, which was the weakest in the show's history.
I for one am a fan of Barney/Robin getting back together. I wasn't a fan of them getting together and breaking up the first time around, but the writers have done a much better job of making their connections believable, the slow build up is working. Last time they got together so slowly with very little emotional foundation for it to make sense. And then they broke up at what seemed like a drop of a hat. This time each episode seems to have a little moment between them that further proves their compabatibility and attraction. The fans seem to be pretty split on this issue, and how you feel about their potential recoupling really affects your enjoyment of this season.
Anyways, watch the latest viral video, a beer commercial that couldn't air on TV: