If your happy with mach3, then probably not. If you have issues with Mach3, then I'd consider it.Would it even be worth it for me to look into UCCNC?
Someone posted a thread recently about swapping the ESS for a UC300ETH in the CNCRP plug and play system. You probably need to make some changes to get everything working properly.You need to use a charge pump safety system, and perhaps swap out the breakout board.