Two remarks regarding the content:
The ISO Enter isn't a Big Ass Enter, it's just an ISO enter. There are larger Enter keys:
Show Image
(https://deskthority.net/w/images/thumb/2/2f/Big-ass_return_and_1u_backspace.jpg/320px-Big-ass_return_and_1u_backspace.jpg)
No, this is the enter guide:
ansi enter: small
(http://brni-jhu.org/info/enter_key.jpg)
ISO enter: Medium
(http://i.imgur.com/qUD0B.jpg)
BA enter: HUGE
(http://www.multiform.com/images/key_enter_1-opt.jpg)
My dad has 2 kbs with BA enters, one is a targus membrane and the other is a model m clone from an obscure company.