Very tough time right now to upgrade.....Could go for the 5DS(R) and you have insane resolution, but very poor DR and ISO performance in comparison to the competition and I do shoot landscapes so I need these things! Could pick up the A7RII and still retain my Canon lenses, but the AF still does not look to be up to par and then there's the lack of weather sealing, battery life, lossy RAW files, and who knows where you get it serviced? Don't really think I could count on it to shoot a wedding. Could switch to Nikon, but dang that's a big move for someone like me on a budget and I still believe Canon has better lenses. What would be nice is something with the performance of the A7RII but from Canon! I've played with the RAWs from the 5DS, A7RII, and the D810 and Canon is very far behind in sensor performance.....this really isn't even an argument anymore. They currently have the resolution yes, but they're at least 2 stops behind the competition in DR which is just unacceptable and behind in ISO performance as far as noise is concerned. Sorry for the rant, just been waiting for years for Canon to answer the D800 and it seems they're further behind than ever......I guess I will continue to wait



