I bought my first set of PBT keycaps for Cherry MX - Leopold thick 1.5mm PBT, and they're great
![](http://i.imgur.com/pEu1ELY.jpg)
![](http://i.imgur.com/Uof6mVq.jpg)
also, my previous experience with PBT keycaps is with the legendary HHKB. I have two
![](http://i.imgur.com/JaWBPql.jpg)
![](http://i.imgur.com/Xx4Otik.jpg)
either I've been very lucky with PBT keycaps coming out perfectly, or those Ducky keycaps are godawful.