Actually, I didn't find IT very scary - but then I don't usually find films scary.
It's clowns in general that I don't like. I wouldn't even say they scared me, I just find them nauseating.
I don't understand what people see in clowns.
I quite enjoyed the last episode. Not scary, and I worked out where they were as soon as I saw it in the cupboard. I generally like the one-off episodes more than the 'continuing story' bit. It was the same with the X-Files - I much prefered the one-off stories.