hmmmm.. I may be wrong if your price is between 15-20k maybe if this is the pricing here in Qatar, coz I also built myself a gaming rig and cost around 22.5k (materials bought in UK with the help of a friend)

this is my rig..

Processor: Intel i7 5930K
Motherboard: ASUS REPUBLIC OF GAMERS X99 Deluxe
Video Card: NVIDIA GeForce Reference GTX980 SLI (x2)
Video Card Bridge: NVIDIA 2-Way SLI Bridge
Memory Card: Corsair Dominator Platinum 64GB DDR4 2400Mhz Octo-kit
Mem. Card Add-ons: Corsair Dominator Platinum Light Bar Upgrade Kits
SATA Drive: Corsair Force Series™ LX 512GB (x2)
Power Supply: Corsair HXi Series HX1000i
Cable: Corsair White sleeved Cable Kit
PC Case: Cooltek UMX2
Processor Fan: Thermalright Co., Ltd. True Spirit 120M

btw i'm planning to replace the GPU into (1x) Titan X but still haven't decided yet.