Setup for let´s player

Here you go:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($329.99 @ Newegg)
CPU Cooler: Noctua NH-D14 65.0 CFM CPU Cooler ($80.99 @ Newegg)
Motherboard: Gigabyte GA-Z77X-UP4 TH ATX LGA1155 Motherboard ($192.86 @ Newegg)
Memory: G.Skill Ares Series 16GB (2 x 8GB) DDR3-1600 Memory ($89.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($84.99 @ Newegg)
Storage: OCZ Vector Series 128GB 2.5" Solid State Disk ($139.99 @ Newegg)
Video Card: EVGA GeForce GTX 670 2GB Video Card (2-Way SLI) ($383.98 @ Newegg)
Video Card: EVGA GeForce GTX 670 2GB Video Card (2-Way SLI) ($383.98 @ Newegg)
Case: NZXT Switch 810 (White) ATX Full Tower Case ($179.98 @ Newegg)
Power Supply: SeaSonic X Series 1050W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($191.82 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($22.98 @ Newegg)
Operating System: Microsoft Windows 7 Professional SP1 (OEM) (64-bit) ($139.99 @ Newegg)
Total: $2203.54
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-01-31 13:58 EST-0500)

I don't include monitor or peripherals as those are mainly personal preference things - you can add whatever you like there.