The items under 'Tested' have been tried and their effects are mostly known. Furthermore, the INI tweaks are divded into 'Tested' and 'Untested' sections.
This guide is divided into two sections: Oblivion.INI tweaks, and a compendium of console commands. Moved 'bForceReloadOnEssentialCharacterDeath' and 'bAllowHavokGrabTheLiving' to TESTED, and updated descriptions. HUGE thanks to everyone at the forums (particularily austin), and to Justin for some console commands. Oblivion INI Tweak Guide - Updated Elder Scrolls IV: Oblivion Tweak Guide