Is there an Apple list of terminal based tweaks? Googling for terminal tweaks shows sites this one which show how to tweak OS X via the Terminal. Are there any Apple or exhaustive lists of these settings anywhere on the net?
There is a pretty good database full of defaults write commands at http://secrets.blacktree.com/

They also have a PrefPane that allows you to use System Preferences to set these hidden preferences.

(This site is no longer available)

Still available here: https://hiddensettings.1984apps.com