I, too, too am of the belief that "The Work Outing" is the funniest half hour of television ever.  Whenever I tell people about the IT Crowd, I tell them they should minimally watch the first episode, to get the characters, and that one.  The only thing to keep it from being perfect is the laugh track, which…

I personally am a huge fan of the "Cover a well known song in my distinct style" genre.  It's a joke I don't get tired of.  Unless it's on Glee. Then it blows. This is also not the first time they've "borrowed" someone else's arrangement.