Former Playboy Club is good.
Visiting today and tomorrow and I need some good options... I love good and welcome all cultural backgrounds! New to the area so please give me a nice list (:
Delavan is kind of in the middle of no where. Your best bet might be to head over to Lake Geneva, which is a short drive away. If you head that way I would recommend trying the Chophouse at the Grand Geneva (formerly the Playboy Club). http://www.grandgeneva.com/dining-entertainment-grand-geneva/index.asp
Since your in Delavan, you should try out the Lake Lawn Lodge resort
It is overlooking Delavan Lake. It has several restaurants within the complex and open to the public also.
Former Playboy Club is good.
I agree there isn't much in that area. You can try Cafe Calamari in Williams Bay or as mentioned one of the restaurants in the Grand Geneva.