Not from me, but from a close friend;
No personal experience, but I heard it's quite legit. That tiny camera with such a high burst rate. But Sony lens collection is limited as compared to Canon or Nikon, but there are adapters that you can use to adapt from canon or Nikon to Sony. So, it's quite cool.
Of course, mirrorless cameras are lighter and have EVFs which allow you to see the change in shutter/aperture/ISO in real time so you never really have a underexposure problem, but from going from a E-M10 with the EVF to the 7D with the bigger, brighter and clearer OVF I'd have that anyday.
Have you tried renting the camera for a day or two to try it out? You can consider that and then once you're satisfied you can buy the actual product. Also, can anyone who owns the camera maybe chime in? Surely there must be someone...