I just got back from Alton Today, didn't go on COS having paid for it previous years, didn't really fancy the queue, I have no doubts it was a lot of fun.
Both TOtT and TS we're significantly better than their previous incarnations, the level of detail in the rooms, the atmosphere. They were both long and varied, certain elements were the same with some subtle changes. I think I enjoy Sanctuary more, the whole mood of it, but I can't but not be impressed by TOtT and that is where my vote goes.
Felt like a bit of a muppet as I led a group through the Sanctuary, I knew what happens in the white corridor from last time, but they started playing an audio clip saying watch the screens, so I approached what I thought was the end of that section, I stopped an did that, almost 30 seconds passed before someone shouted, keep going when I was considering that myself, I had no idea I had to carry on walking around 2 more corners to the actor that holds you up to watch the screens which I was used to previous years. Not to sure if that was bad timing or myself over thinking the instruction. That's the trouble with leading groups, you either do it well or end up looking silly.