A few minutes of Borderlands 2 gameplay footage captured through nVidia's Shadowplay feature. The settings are all maxed out on 1920 x 1080 resolution wit PhysX on high. The framerate is mostly 60fps but there are some drops in 45 fps - the issue being PhysX. The Vsync ingame is turned off and nVidia adaptive Vsync is enabled in the Control Panel. I found it to be more responsive than the in-game option.
Update: Tried the game without the Vsync whatsoever - getting around 120 FPS with dips to 55 FPS
The tech specifications of the machine are as follows:
CPU: Intel Core i5 4690K (OC'ed to 4.4GHz)
CPU Cooler: beQuiet Pure Rock
Mainboard: ASUS Z97-P
RAM: Kingston Fury Black 8GB DDR3 1600MHZ
VGA: ASUS Strix GTX 970 4GB GDDR5
SSD: 120GB KINGSTON V300
HDD: Seagate 1TB
PSU: Aerocool Integrator 700W
Case: Zalman Z3