Ive been wanting to build a new pc for a while now, ive been looking around with some help and come up with this build... but it looks over the budget i have £1000 Is there any parts i could downgrade but still keep near the same performance? Still want overclock for future. Wanting to play a lot of Simulator Games and Recording Gameplay from time to time but high performance games like GTA Project Cars and VR Usage Please ASUS Z170I Pro Gaming Motherboard - Intel Core i7 6700K Processor (4 GHz, 4 Core, 8 Threads, 8 MB cache, LGA1151 Socket Box) - Corsair CMK16GX4M2A2666C16R Vengeance LPX 16GB (2x8GB) DDR4 2666Mhz CL16 XMP 2.0 High Performance Desktop Memory Kit - Samsung 850 EVO 250 GB 2.5 inch Solid State Drive- Seagate Desktop 3.5 inch 2TB 7200 RPM 64MB 6GB/S Internal SATA Drive - ASUS ROG Strix GeForce GTX 1070 8 GB GDDR5 Graphics Card - Corsair CW-9060024-WW Hydro Series H80i V2 120 mm High Performance All-In-One Liquid CP Cooler- Corsair CC-9011083-WW Carbide Series SPEC-ALPHA Windowed Mid-Tower ATX Gaming Computer Case- -Corsair RMi Series RM850i ATX/EPS Fully Modular 80 PLUS Gold 850 W Power Supply Also ive been told i can get a lower power supply. Thanks For Any Help!!