I put my (reverse-engineered) ETH Lilith schematics in Eagle format online.
ftp://jdreesen.dyndns.org/ftp/CAD
If anyone is crazy and foolhardy enough to create new PCB's, then I want a set !
You'd want to do a bit of redesign though, at the very least modern DRAM's and a
different diskdrive.
Or do everything in a smallish FPGA...
Jos