If you're anything like me, the ABS ones will last another couple of days before the annoyance of how slippery and shit they feel will make you switch everything.
Yeah, yours look fun ;) I couldn't find many Mac layout caps, so I just ordered a full Windows (US) set, but obvs can't really use most of the other keys. Didn't like how the spacebar looked in the other colour, but I might change the arrow keys over.
Got some PBT caps (only replaced A-Z and Esc).