Reasons why
CPU cooler: Arctic Freezer i32 is both bigger and better than CM's Hyper T2. With Freezer i32, you can easily upgrade CPU cooler to push-pull with any 120mm fan. (Same CPU cooler is also used in my Skylake build in push-pull configuration. Specs in my sig.)
MoBo: Since you picked K-series CPU, i put in Z-series MoBo, so you can OC your CPU and run RAM speeds faster than stock 2133 Mhz. And to follow your white theme, picked a MoBo that too shares the white theme in it's coloring.
RAM: Since build has Z-series MoBo, went on and put in 3000 Mhz RAM that is much faster than stock 2133 Mhz RAM. Oh, picked black heatsinks that are better match to the MoBo and your build than your initial red heatsinks.
PSU: EVGA SuperNova NEX is low quality PSU. Replaced it with good quality Seasonic unit. (All my 3 PCs are also powered by Seasonic.)
AV: There are ton of free antivirus programs for you to use. Also, it's pointless to pay money for a program that lasts only 1 year.