Hi all,
just an update on the "putting together the information in a Wiki" discussion above: I have now created an initial version at
https://wiki.mobileread.com/wiki/Kindle_Touch_Hacking
This is still very incomplete, but at least the outline of what I was roughly imagining is there. Let me know if it makes any sense. If you think it does, you're more than welcome to enhance the page right there! :-)