The mouselook is absolutely awful. I currently have it's speed set to 0% in the options and it's still far too fast. I think the main issue is due to it's apparently built in acceleration (ie the faster you move your mouse, the faster the mouselook is). Are there any .ini tweaks or anything that can fix this?
Also, before people suggest otherwise, no it's not my mouse - I use a g400 @ 1800dpi which is one of the few mice on the market with a very solid sensor. My windows sensitivity is set to default, aka the middle notch (and, no, changing this is not an option as you should never touch the windows sensitivity as it messes with your accuracy). Sure I can lower my mouse's dpi, but then I have to deal with super slow cursor movement - I'm just concerned with the mouselook. Lastly, I have no issues with any other game/mmo as they don't have horrible mouselook mechanics.