Well I'd change a few things. But I do like the fact your building a Intel 1151 based PC. Here's a list of the changes.
I'd drop the I7 6700k and get a I5 6600k . Put That savings into a better motherboard.
I don't like to criticize but the motherboard is the heart of your system. I'd look for a good mid range board in the $150 to $250 area. They just last longer and have less issues.
Go to Asus or Samsung for a monitor.
Drop your ram down to DDR4 2400. Just ordered the parts for my Z170 build and did my research on the ram. Faster isn't that much better on the Skylake Z170 platform. There has been some issues with the faster ram speeds.
Look for a case with better air flow.
Your graphics card is fine but do you really need a...