I just noticed another [plot legend question][1] today and while user solutions to this, in particular code by @Jens, are IMO better than the built in solutions, exact positioning often still requires some trial and error.

How can I easily position my legends by way of locators?


  [1]: http://mathematica.stackexchange.com/questions/7531/how-can-i-label-a-listdensityplot-with-a-color-bar