- Improved light. Let's face it, whole lot of people installed one of many "enchanced lighting" mods as original Pipboy provided almost no lumination.
- Scanner. Show what equipment people have and increase steal profit a bit or maybe provide outlines of equipment nearby.
- Food anolizator - Bonus to food healing rate and period of time you'll require to eat egain.
- Lie detector - bonus to Speech and Barter.
- VATS 2.0 - Improvement to VATS hit chance.
- VATS beta - one less AP for firing but increased chance of critical weapon failure.
It is crucial that player could not install all of possible upgrades but instead had to choose what to install and what to abandon. That could be justified with something like...One upgrade require more energy. Also, upgrade to energy reserves would be fine too - which will provide one additional upgrade to install.
