I too have asked the question, if GRS handpieces would run on the Enset, as good as I think the Enset itself is, I personally dislike the eroganomics of that large handpiece. Maybe somebody who as access to both machines could do a test, as I am sure others have considered this.
A few years back I built my own air pulse machine (NOT one of the cannibalized air compressor machines you see on you tube) that used a digital timer and solenoid valve so that I could go from a single air pulse up to around 1,000 pulses per minute with my GRS handpiece. It worked fine. I'm pretty sure my machine was similar to the Enset in operation.