This is just pipedream speculation since nobody makes any of the chips etc anymore.
But given the success of the minimig, if someone was capable of putting out what was basically an original A500 / 1200 / whatever, whether using FPGA's, magic faerie dust to produce the original chips again or whatever, would you buy it?
More importantly, how much would you pay for it ?
I wouldn't buy one. The only thing I can think of wanting to run would be old games, UAE is good enough even operating on a single core. I remember my old Apple][+ days, there is just not a single piece of software I would even want to see again, let alone buying a ][+ clone. Day by day, Amiga software is becoming more and more obsolete and grabbing my attention less and less. Too much has flowed under the Amiga bridge to look too far back on it's glory days. I want something modern and portable that will keep my attention, much like my old A500 did for me so many years ago.