So I found this:
here: http://www.gamefront.com/how-to-improve-borderlands-2-with-ini-file-tweaks/
and noticed that they have separate tweaks. I've only taken off the black outline per their first tweak and kinda like how it looks. What will the second one do? I'm a little confused on the cel-shading aspect for some reason.
http://upload.wikimedia.org/wikipedia/commons/b/b7/Toon-shader.jpg It's simply a shading method.