I guess I must not be the only Canon user out there who is still running on the 5DMII and waiting forever for a great update camera.
My photography jobs are kind of wide, I go from fashion, portrait, packshot, still life, architecture and corporate events and even weddings.
In order to cover the lacking capability of the 5DMII or its inadequacy on the job I go and rent the proper tool for the proper job. It means getting a 5DMIII as a first body for event, or a phase one for a fashion campaign, a 5DS for a a life style shooting which goes to bill boards , you get the idea.
My main complain on the whole Canon range of camera is the poor DR. I mean what a pain in the A**. Overall I just don't care about video, if I need to do video I just get the proper tool and generally I just hire a proper operator. I don't care either for gadgets, but when are we seeing a USB 3 on the 5D line in order to improve our teathering? Where is a proper "crop" mode which I would like to be a "composition" mode like where you can choose a image format and have its grid in the viewfinder for you to compose your image?
And for the love of god, when are they bringing up the game changer and realease a foveon like sensor, which is the only type of sensor that makes sens IMO in the digital era...
2016 is going to be the year for a lot of photographers like me, who might just get one or two cheap bodies like the 80D (which could be better then my 5DMII as a workhorse) or just switch to another brand by lack of trust in the company ability to invest in its core customers.
I am very excited by the Sigma SD Quattro annoucement for example, I would definitely consider it as my main camera and have a cheaper body with a pair of zooms to do the "basic" work.