We've gotten so much out of QM! They did an amazing job in getting us up & running quickly with minimal configuration or support needed.
There's nothing that I dislike about them at this time. If you are looking for something great but simple then look no further than quantum metric!! As an agency we had not done any analytics before qm came along--it took some initial training/setup by their team (which was awesome), however they were very flexible once it started rolling well enough to get data flowing again into Google Analytics.