noone, have you actually used a supercade setup? most who have or use one don't seem to have ergonomic problems (me included).
I didn't say it was a problem, just that it was personal taste.
I don't like trying to play around/over other controllers, and hate abnormally deep CP's.
My original design was a staggered all-in-one that never made it past prototyping.
It's buried out in my garage somewhere, lost in favor of modular/swappables.
That's my taste though.
I'm sure I'm one of the few here whose computer desk is pushing 4' deep.
I keep a minimum of 10" in front of all my keyboards (work and home).
That way I can rest my forearms on the desk, and I don't have to bend my wrists at all.
That prevents carpal tunnel.
I have played UT on my rig for 12 hrs straight many times, with no ill effects.
On the other side, I can't even get in ONE 15 minute game at my dad's house without my wrists/hands literally killing me from lack of support.