Ralph, I feel you dilemma. It's a real tossup mixing brands.
I used to use Tamiya acrylic in the jars to spray, never got the mixtures right.
Always fought to get them too wet, too dry. Used the X-20A thinners.
Still do, but for brushing IP's and small stuff cuz I can do that on the bench.
Not sure if you can get the SMS, Aussie made paints, acrylic lacquers in TX.
This is the link to their suppliers,
Find Your Closest Retailer
You can order direct from them however. Paint is used right from the bottle, no mixing.
You can clean an airbrush with regular hardware store Lacquer thinners. They have a FB page'
You can ask any question and the boss will answer quick smart. Ask color choice and they are brilliant.
With exchange rate, price to you is about 65% right now. Just sayin.