Nice, I'll use pcpartpicker urls, it will has under it multiple links for stores you can get the item from:
CPU: i7 6700k
http://pcpartpicker.com/product/tdmxFT/intel-cpu-bx80662i76700k
RAM DDR4 16GB (2x8GB) 3000Mhz: You have a lot of options, I'll list the cheapest (it has high reviews)
http://pcpartpicker.com/product/Yb8H99/gskill-memory-f43000c15d16grk
Motherboard, also a lot of options, I did choose the Asus Z170 Pro Gaming Aura, it supports overclocking the CPU, it has RGB led that can be synced with the Asus GTX1070 Strix, black boards matches the RAM and the VGA, also it has steel reinforced PCI-E, supports the DDR4 3000mhz RAM and full of features
http://pcpartpicker.com/product/8rvZxr/asus-z170-pro-gamingaura-atx-lga1151-motherboard-z170-pro-gamingaura
I'll add a CPU cooler to the build, Be Quiet cooler that looks awesome, cools and dead silent and on sale for 4 days
http://pcpartpicker.com/product/YwGkcf/be-quiet-cpu-cooler-bk018