Anyway I'm happy I did the exterior again because I really am happy how it came out now. I'll be even happier if I find a way to mod the button now because it kinda sticks out too much but it was the smallest SS button I actually found.
If you are not going to use a dna board in this, you can still use any small switch or tactile switch of choice with a mosfet, details and schematic here. Not sure if that is any use to you, but it is an option. That Woody is still going strong, still exactly the same as it is in that pic, only with an RM2 now.