It's easy to set up, it is very accurate in terms of data collection as well has great statistics reports that are helpful at showing trends from your survey participants across multiple platforms like Google Analytics or Omniture etc., I did not find anything specific about this tool but what we have seen so far was good enough! We do our own panel surveys with different companies (like SurveyMonkey) however they don't always get all questions right/complete which leads us having less reliable