TO be fair, even apps without an installer will open a warning dialogue the first time it's actually run letting the user know this is an application that's "ne

TO be fair, even apps without an installer will open a warning dialogue the first time it's actually run letting the user know this is an application that's "new" and hasn't been run before. Also - as long as Apple makes it easy for developers to get signing keys, which seems to be their direction as far as OS X goes, there's no reason for developers to complain about it too much. Just sign your builds, and you probably avoid any warning message.