If you are looking here, you're probably mad.

Mouse sensitivity (bf3):
1800 DPI
0.075 in-game

PC specs:

MOBO: MSI Z87-GD65 Gaming / LGA1150 / ATX
CPU: Intel® Core™ i7-4770k Processor (OC'd @4.2 Ghz)
GPU: MSI GeForce® GTX 1080 GAMING X 8GB
RAM: Corsair Vengeance® Pro Series — 8GB (2 x 4GB) DDR3 1600MHz CL9 Memory Kit
CPU Cooler: be quiet! Dark Rock 3
SSD: Samsung 850 EVO Series 1TB / OS & Games
HDD: WD Caviar Black 1TB 7200Rpm 64Mb / Storage
Case: Corsair Carbide Series® 500R Mid-Tower Case / Black
PSU: Seasonic X-650W 80+ Gold Certified
OS: Windows 8.1 64bit

Monitor: BenQ 24'' XL2411T 144Hz
Keyboard: Razer BlackWidow Ultimate 2013
Mouse: Logitech G502 Proteus Spectrum