I still prefer these Gallag boards for stability over the original Midway Galaga boards, especially since the Gallag boards can be made to say Namco or Midway and have correct colors.
I agree, these are much more reliable than the midway boards. I have one in my galaga cab and I just made an adapter so it plugs right into the original harness.
Sold one of these, still have one available.
As an alternate option, isn't there a JAMMA to Galaga cabinet adaptor currently available? I know there is a Gallag to JAMMA at Arcadeshop, so just marry the two.