Well, yea, at first it might have seemed a terrible idea to remake the Office following that Couplings debacle, but the Office really has forged its own identity. You should definitely try to catch the Diversity Day episode. It was so deliciously awesome. And don't forget that Ricky Gervais is an executive producer for the American version of the Office, too, so he wouldn't let them eff it up completely.
Another cool thing is that they're planning to write in characters from the British office in some way, or at the least, use the actors. And maybe even Ricky Gervais himself making an appearance. That'd be delicious.