If you ever sat at the RPU installer screen wondering what each option actually changes, I put together a site that breaks it all down. Every option is explained with screenshots and side-by-side comparisons so you can tweak your setup with confidence.
Check it out here: https://www.landingtarget.com/fallout-2-rpu-options/
Check it out here: https://www.landingtarget.com/fallout-2-rpu-options/