Here I was, busy spending quality time with my sister-in-law’s twins, and the world of Doctor Who erupts into cheers and hurrahs yet again!
Very interesting news! And it’s great that this isn’t just one box set and then we have to wait years for the next one, but another MR style series. I wonder when they recorded these? And who’s going to be the companion?
The Out of Time trilogy was huge fun, so it’s great to see it continued as well 
As for why they announced this early? It’s Tennant. He is a guaranteed moneymaker for BF. They want as many people as possible to pre-order, and I suspect a lot of fans will.