I received my Mk II today and was able to walk outside the office and snap a few shots using the 18-150 lens. I was looking for general behavior and wanted to test the sensor in a couple of areas, so you won't see any AF tracking information here.
I used the optional EVF and I was really impressed with the quality of it in relation to the one I had with the M3 at one time (which I sold).
Here is a simple shot of a tree that I over exposed just to see how it would deal with highlights in post. Before and after. It seems to have a fair bit of room for highlight recovery. This is quick and dirty on a laptop screen so keep that in mind.
Next is a simple high ISO shot inside my office (ISO 12800). I almost never shoot anywhere near this for my use but was interested in what it would look like due to some of the comments I've seen regarding the 90D. The second shot is a close crop of the first.IMAGE LINK: https://www.smugmug.com/gallery/n-BNcBSh/i-SJ8HVmg/A IMAGE LINK: https://www.smugmug.com/gallery/n-BNcBSh/i-Vx9b74r/A
Next is an intentionally dark shot at high ISO, I just wanted to see what the character of the noise was like when pulling up dark areas:IMAGE LINK: https://www.smugmug.com/gallery/n-BNcBSh/i-VwBqcsm/A IMAGE LINK: https://www.smugmug.com/gallery/n-BNcBSh/i-h9NGVpw/A
Then last is a shot of a leaf outside my office. This really wasn't about the sensor, just wanted to see what the bokeh of the 18-50 looked like.IMAGE LINK: https://www.smugmug.com/gallery/n-BNcBSh/i-TcG3KF8/A
Overall I think I'm going to really like this and will test it in more depth soon. So far I would say it looks like the sensor performs pretty well.