This months' tribble story is not a re-telling of the Trouble with Tribbles and the Keenser background story will make 3 original stories. So I think that makes 4 re-imaginings and 3 original stories. The stories are enjoyable enough but I've been underwhelmed too. The best stories so far have been the first part of Vulcans Fury and the Return of the Archons storyline. The stories are too brief to be engaging and the resolutions are forced to be too simplistic as a result. I don't see how they can change this unless they mix up the two-parters with some four-parters. The current Dr Who series mixes up its stories like and this and with a few exceptions, the longer stories are far better. I keep hoping that the writers will experiment with longer stories and see how they go down but they seem doggedly determined to stick to the current format!