Yeah I'm taking my time with it; playing it here and there.

I am enjoying it though. Feels like an extension of the game rather than separate Add-on Content, which is why I don't mind that the main questline is so short, given it's like another one of Skyrim's sidequests.
I wonder if my bias towards any add on content has swayed my opinion of it. I've essentially exhausted Skyrim of new things to do and explore, so anything new and unexplored is appealing to me.