My honest feeling is that it's another fad / gizmo / snake oil, call it what you want, already i've seen it has mixed reviews nothing decisive one way or the other and i know our hobby is based on our own flawed perceptions, but like many other things like this I can see this fading away into the mists of time, i'll try one when i can get one at a more sensible price, either 2nd hand or when Funk Firm come to their senses and start to charge a reasonable price for these things.