click keys for mac!
http://www.daskeyboard.com/daskeyboard-4-professional-for-mac/also known for deafening your coworkers, or as an excellent means of self-defense.
And for the hardcore users, they make a model that has NO glyphs on the keys. The entire keyboard is flat black. Better know how to touch-type! A school I worked at got one of those on my recommendation for a kid that refused to quit cheating when trying to learn to touch type. Brutally effective.
