@IanP: I clearly prefer FPGA computers instead of old hardware. They are exactly the same externally.
As for software emulation, my experience is very bad, with laggy controls, wrong resolutions and hard to configure perfectly smooth scrolls in 50Hz modes. With FPGA computers I didn't have any of these problems, they are exactly the same as a 80's-90's Amiga (if you take the Minimig, for example).
Software emulation depends too much on the underlying OS and most moder oses are unpredictable, so emulation is FAR from perfect and it will never be. So FPGAs for me without thinking