David,
The best part of that photo of your new display is the yellow towel just above the TV. I have one of those hanging on the wall in my den. ;)
One tip you may find helpful with the M70. I saved a couple of my customized display calibration settings, labeling them "1080P" and "4K". I can...
David,
I also own the M70-D3. HDMI ports 1-4 should all support 4K and HDR. HDMI port 1 supports this at 60Hz, while the others only support at 24Hz. Your UHD player should work on any of the first four ports.
I do not have a UHD player yet, but just ordered a Roku Ultra player, as they are...
The M Series supports Dolby Vision, too. I went with the M70-D3 over the E Series for that reason, plus reviews I read comparing the two indicated the E Series would occasionally suffer from a motion trail with fast action. I watch a lot of sports, and did not want that issue.
I just took delivery today on a M-Series 70 inch Vizio -- model M70-D3. For me, the lack of a ATSC tuner wasn't a big deal, as our TV feed is via Comcast Xfinity service. The M-Series comes with an Android tablet remote, so you do not need to download the Vizio app to your phone or tablet. After...