Help with a gaming PC build (Skylake)

[HoloDust]

Yeah, 840 is bit old, though it's pretty decent SSD (have one myself). I don't like EVGA much and would always go for Gigabyte G1 970 due to great thermals:

http://www.guru3d.com/articles_pages/gigabyte_geforce_gtx_970_g1_gaming_review,9.html