I'm guessing you already know, but just in case (and for any others reading)... There was an arcade system based on the Dreamcast hardware called the Atomiswav

I'm guessing you already know, but just in case (and for any others reading)... There was an arcade system based on the Dreamcast hardware called the Atomiswave. Instead of GDROMs, it used solid state storage. Many (20+) of the Atomiswave games have now been converted to the Dreamcast and work great on the MODE etc. https://www.retrorgb.com/dreamcast-atomiswave-ports.html https://www.retrorgb.com/dreamcast-atomiswave-ports.html