I think the Spooky Mansion is alright. It really helped get some new Pokemon in which I am happy about. And I really can't complain about getting a new thing. I don't really like that candle game though. It goes for a long time, and I don't really have the effort to play it. And it makes me feel like an idiot when it beat me. The items are really good in there though.
You can confirm Spinarak with Sniper, Bronzor, Meditite and Sableye with their new abilities as well.