I'm about to build my new one:
Chip: INTEL Core i7-6800K 3,40 gHz LGA2011-V3 15MB Cache
MotherBoard: Asus S2011-3 Sabertooth X99 Scheda Madre ATX
SSD for OS: SSD 960 EVO PRO 1TB M.2
Graphic Card: Asus GeForce ROG STRIX-GTX1080-8G-Gaming Scheda Grafica da 8 GB, DDR5X
RAM: Corsair CMU64GX4M4C3200C16R Vengeance LED Kit Scheda RAM da 4 x 16 GB, 3200 MHz
plus a Noctua heat dissipator and a big power unit