Usually when someone asks to suggest some good mods the most popular are named. Like Project Nevada, NVInteriors, NevadaSkies etc.
So this time please share with us your not so popular, not so endorsed and not so well known NV mods. Those which you have discovered for yourself in depths of the Nexus. The minor mods which just rub you the right way in one way or another.

If I knew many myself I would not make this thread. But to get things rolling - here is one that made ED-E playable for me:
http://newvegas.nexusmods.com/mods/45722