Thanks for this as well. I actually asked this question back in September when I was deciding between the 2. Bought B2, which I am now returning. Again the 77" is 2k for B2 and 2500 for the C2. Having the B2 for a few months I encountered many lag issues with streaming with Sling/NBA TV and League Pass. Peacock and Amazon do not have these problems. I am buying a 2.1 HDMI to fix my Roku connection and going to the new port appropriate for this. I as well use an ethernet 6 cable to my Modem/Router combo. If I encounter the same issues with the new TV I'll know it's a TV issue but hopefully my return and other changes will fix these issues. I am buying the B2 to save money and buy a surround system as articles say the that is a better way to spend the $500 difference. I'll post updates. Please comment if you have any suggestions.