The rubber WASD and 1234 can be obtain from Taobao. Previously a guy order his replacement and sell his extra spacebar.

Who else gonna buy, except same keyboard user.
For me, gimmicks is when the features are underutilized. I knew that RTS and MMORPG gamers sometime heavily depend on this features. If the macro key that you really need, than you should buy gaming keyboard, plus satisfaction of spending money.
Gaming keyboard is not bad (except Razer) IMO. The only drawback for me is the layout itself. Their design indeed cool, and eye catchy. It's just from most of mech kb owner, usually they buy for gaming. In the end, you're addicted to customized them and didn't realized you just spent ridiculous amount for keycaps instead of changing your car tire.
Once a guy think that spending over RM 500 for a keyboard is silly especially TKL, and below that. Why spend more for less? But now, he's in the sillyland, never looking back at 3-headed-snake, the-logical-tech, and
Trigonometric-air. True story.

What is this brand trigonometric-air? Thanks.