Re: 800th Episode - 2014 Christmas Special (Rumour's/Poss. Spoilers)
I'll have to side with the infamous Ian Le Vine. It does take a long time between series.
Also, wouldn't the Christmas special practically be part of Series 8? All Christmas specials had been, essentially, episode 0 of the upcoming series.
"Spock...?" Kirk said, whispering.
"I am... most pleased to see again, Captain" Spock formally replied.
McCoy shook his head in disgust. "Oh, for crying out loud, Spock. Its been eighty years!"
"Seventy eight point four years, Doctor."
The Holy Three meet again, in The Return