Which stepper driver is a good alternative to Gecho 540

I’m on my second build for routing wood, plastics and occasionally alu. Will be using geared nema 24 steppers on 4 axis, 2.2kw spindle, Mach 3 etc.

I currently use a geck540, which is great but i’m seeing cheaper/ different alternatives, like the kit thats on ebay at the moment for 4 pcs nema 24 and M543T drivers that the same price all together as the gecko just on its own.

What would be a cheaper alternative to my Gecko?

I'll move this conversation over to Motors and Drivers, apologies!