Yes, will do oztules.
I forgot about the OzControl PCB mounting holes, I tend to use those Insultated Bakelite, 3mm threaded copper inserts stand offs, my old stock. But yes for future boards will amend.
Trim pots, again its what I have in stock, 30 odd years old, sadly just got some new, and they are .2" and .2" spacing. Will amend the board with an extra mounting hole.
Yes, will amend for the TIP35c fitting holes.
Zenner Holes I will enlarge, at present they are for the 1.3w.
I note you are using some blue coloured Caps, tight against the driver chips, they are listed as 104's. I was going to use my normal ceramic disc types?.... Okay?
Thanks again.