I just ordered a 576 NUC+ from the Brewing Academy.
This should nicely fill the gap of the MiSTer FPGA Atari 8 bit core not having serial/modem support, among many other things. Also, I love supporting things like this.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko