Eh... I really didn't like the Blue Sky event. Granted, it's a heck of a lot better than what we've had over the past year... but still. It just didn't float my boat. What I did like, was that it introduced a lot of elements that gave me a lot of hope for future events... the changing sky (even though we had seen that before with the eyes and flies), the unique clothes, the concert set pieces, and the ability to show video within the game.
The "video within the game" feature could've been BRILLIANT for events... but instead it got used to endlessly repeat annoying Wendy's ads.
I would much rather we have something completely different and new for this year's anniversary.