Homebrew PCBs

> Roger wrote:
> My boards are all 4 x 3 inches, but the attraction of
> EDM is it is the cheapest way to go, and it can be
> left on its one to process with virtually no board
> preparation, and no ink or etchant costs.

Who cares about "cheapest"  I think "most automated"
might be the winner.

And if you include ink drying and curing time - I
think it could win for speed as well.