Welcome aboard, new here too. Have collected a decent set of samples, at least as far as
CC - Ceramics - Paulson Clay - some Plastics.
Think this is the best available move right now:
https://www.pokerchipforum.com/threads/the-prestige-group-buy-starting-now-12-jun-2020.56998/ Best bang for your buck, with some semi-customization. The 43mm size is a really nice feel. Colors look great.
If you are impatient like me, this place can be a bit of a nightmare. Ideally I'd buy some clay chips, but really hard to get them all at once, with nice coloring, and patterns. In my case, as I am looking for a smaller set (400-600), think I am resigned to buying more than I want, and selling off the excess. Prices can appear to be all over the place, so take some time getting familiar with them.
Piles of helpful people here, have had great luck sending PMs to Members, have had less than great luck PMing "For Sale" items anything more than a month old though.