Re-designing
And staying on the cutting edge of guitar electronics.
That is great and you are willing to share your ideas.
The midi devices I have seen are rather simple and crude when compared to a piezo .
But there is on the market some sophisticated pups for midi.
the information is available
Last month in alt.guitar , several musicians were discussing which midi systems were best, the names of the pups were not the common manufactures that we always see, but a new brand
I should have paid more attention,
I hope you will continue writing up your findings
in the forim , because we are reading your articles,
You tend to be a few years ahead on these things ,
The best I can do is follow your adventures, which is not much help.
This will be the way to write music on the near future.
Companies like Guitar Pro are cleaning up with midi software
So you are looking at a potentially highly marketable technology here.