I've smashed about a million burgers (always chuck, always good) at this location. It is hands down one of the best burgers you will get in the city. Everything is ground in house, you can choose from a variety of meats and cuts and get it done the way you like it.
If you want a dandelion and truffle oil burger on an ancient grain stone compounded bun for 6 dollars, like some of the other reviewers, than this is not your joint.
I will admit I've tried to location on Queen West close to Spadina and it was not as good, so come down to Ossington to get it done right. The service is here is amazing as well. This is truly a burger joint with bold flavours similar to the heat of a 1000 suns. AWESOME.