Matter of Prefetence
As a professional rope access technician, I prefer the ball lock models while 90% of my colleagues prefer the Tri-Act version. Either is acceptable. Just up to you what you prefer.
That being said, I avoid the twist lock gates because, under certain, rare, circumstances they can become unscrewed and thus prone to opening. This a very rare event!! But I don't carry them on my professional rack nor my recreational climbing rack. But I'm a tad extreme about safety. That's just me.
In any case, you can't go wrong!