Central Source Of Documentation Options

[h2gofast]

Is there a central souce of documentation. I've been away for awhile and decided to pull my zaurus out of the desk drawer again. I've tried opie and gpe and installed a few apps on each. Every step I took was from memory, notes, or info gleaned from this forum. Better documentation would be helpful and would promote the zaurus.
If there isn't a good how-to, I would be interested in writing some notes to avoid common pitfalls.
OZ usability appears to be hit or miss depending as much on OZ as on the users skills. With a little documentation, I think a lot of users like my self could be brought up to speed more quickly, and could contribute.