That looks very promising for a first draft.
I can see one or two things that don't look quite right, but I assume that you have covered those in the amendments you have mentioned.
It seems that this set will be the answer to the Amiga keyboard modder's prayers.
I don't have an A600 keyboard, unfortunately, or else I would be setting up my scanner right now. However I'm sure there are many others here who can answer your call.
Thanks for getting this started.