Foursquare or Whrrl – Where do you Check-In?

I am a check-in junkie. I’ve tried Gowalla, Foursquare, Whrrl, Facebook Places and WeReward. I’m sure there are some other ones too and everyone has their favorite or hates them completely. There is the argument that you post your location then bad things will happen to yourself or your unprotected home. You just can’t go living your life in fear, that is ridiculous and my mind completely shuts off when someone comes up with that argument. Bad things happen whether you check in or not. That aside...