I ordered the newly available ABS OSA keycaps from KBDfans - I have been less than impressed with their double shot PBT sets.
I can report the following in regard to the ABS kits:
The keycaps have fewer flaws (no cracked stems, which are pretty common on their PBT sets)
The colors pop more, but that is expected with ABS
Unfortunately, it appears they use the same molds and have the same legend flaws as the PBT sets - primarily the number row has the same inconsistent legends (it looks like they tried to go too thin, the @ symbol and % symbol look particularly affected) and a couple of the non-standard keys like Stepped Caps and 1U Back Space have overly heavy legends
They are just as thin as the PBT OSA caps (1.2mm or less)
They are cheaper! I think I can live with above because this entire set was comparably inexpensive, even less than their PBT caps and it includes a ton of great novelties
I’ve personally never been a stickler for perfect legends. To me, the legends are like the vocals on a piece of music. Sometimes, the vocals aren’t perfect, but that’s fine, because it’s not the only focus of the work. And some pieces don’t even need lyrics.
I like the colorway of these a lot but don’t have a board for them at the moment. Wish we could get 1.5mm or thicker!