I've used mechanical keyboards at home for years and love them. Unfortunately, I'm stuck with a mushy OEM keyboard at work (not allowed to bring in your own stuff here). Same deal with mice (I prefer trackballs).
I'd give anything to work somewhere without an IT staff, but in my experience as long as you get quality work done you can do it how you want.
Wow. I get a "don't plug random stuff into your machine's USB ports" policy, but "don't rotate your monitor"? "one approved config with a non-fixed-width font"?
I can't imagine a sane rationale for this. Do they force lefties to write with their right hand, too?
Do you work at a nuclear plant or what?
I always bring my: keyboard, mouse, monitor, chair.
I kept having to change things/switch out things to hold it back until I one day adjusted my chair/armrest height to above my desk and I haven't had an issue at all in 6 years since doing that.