PopMatters just posted an overview of the past decade's British situational and sketch comedy, a Gilded Age that's introduced everything from single-camera fourth-wall busting asides to the Mysterious Disappearing Laugh Track.
Starting from Spaced and trickling down to Little Britain (what, No Mighty Boosh mention?), the article also throws out some critiques about adaptations such as the American Office. What will fill the recent Ricky Gervais void? Don't get caught as a comedy nerd poseur without brushing up on this primer.