Those new to Borderlands should grab the Borderlands Config Editor v2.1.4
What for?
- enable v-sync
- disable startup movies
- enable single player 3rd person camera
- enable a throw weapon key
- change zoom to toggle
- change crouch to hold
- modify fov
- other stuff
Here's the original thread
http://gbxforums.gearboxsoftware.com/showthread.php?t=85874
Here's a working download link
http://gbxforums.gearboxsoftware.com/showpost.php?p=2176268&postcount=336
It's much easier than stumbling through the ini files in notepad.