I'm looking at two Fadals they both look like they're in great shape. Haven't seen them in person, but assuming they are both solid which one would you rather have?

One is a 1992 4020 with 4th axis, not just the controller but a 4th axis already installed.

The other one is a 1998 4020. Not sure if it has other boards in there for a 4th axis or not.