Just ordered a Megajolt Lite https://wiki.autosportlabs.com/MegaJolt_Lite_Jr.
and then a Ford Edis-8 module complete with coils on ebay for $75. A friend had a trigger wheel for $20 so all I have to buy now is the pickup.

I will get a fully programmable crank trigger ignition for less than $300 plus a little fabrication!

Maybe I have missed something but I don't see any advantages with MSD.

I will get fully adjustable timing curve, rev limit and also vacuum advance. Even datalogging is possible.