They have been discontinued. They are great through. I have 4 of them. I actually prefer these over the GoBig mostly because they are cheap, can take a beating, have rubber rims and I don’t have to worry much about them.
However, the Go Big is nice too. But again, given the choice, I’d go with the Fiesta XX. But don’t let my preferences skew your preferences. I’ve also seen people bring different yoyos. At CalStates, I think this one kid had like 5 different off-strings. Of course, Ben Conde only used his signature Go Big and Bryan Figueroa used his signature Fiesta XX. I think Jayyo brought up like 5 or 6 Hayabusas to the stage with him.
You don’t have to match, but I think doing so is the best idea. You want uniformity and have all yoyos at around the same performance levels: bearing matching, matching response system.
To save money, don’t get the special edition units. After that, I do recall seeing stuff on BST. You may have to trade some stuff to get what you need if your have issue with funds.