galakus, before you go all excited about the caps, beware
the thick PBT caps are a completely different material than the stock filco caps and feel different, as well as look different.
moreover, the PBT caps are CHERRY profile, whereas the stock filco caps are OEM profile. these two profiles SIGNIFICANTLY differ in keycap height.
cherry profile keycaps MAY or MAY NOT be grinding on the stabilizer wires on the costar stabilizers, because of their lower profile, especially the enter and right shift keys.
there's a lot more to choosing a keycap set for a particular board, than just choosing a color
just sayin