Like Harry's Law just yesterday. NBC has now ordered six additional scripts be written for rookie drama Prime Suspect as well. That's not quite the same as ordering six more episodes, but it's close.
The prospects that the cancellation bear will catch the show no later than next spring are still at a "toss up". Don't forget Chase on NBC last season. It was given a "back 9" pickup even as its ratings were waning. That "back 9" was later reduced to a "back 5" prior to its cancellation.