The WASD V2 87-Key or KUL ES-87 are both good options. Just be aware that the KUL does have very noticeable ping, while the WASD does not. Drove me nuts.
Ping usually affects plate mounted boards with switches that have strong springs. Can be fixed by lubing the springs.
PBT caps are overhyped. They're expensive, it's hard to find a really nice looking set, the legends have to be darker than the base colour on all keys (due to being dyesubbed instead of doubleshot, only Vortex makes doubleshot PBT sets, in limited colour choices), so you can't have too much colour difference between the alphas and mods and they only come in a limited number of profiles.
The Leopold PBT sets sold by widebasket are nice, though.
I still prefer really good quality doubleshot ABS caps, like GMK Cherry or SA profile, especially SA profile.