When coupled with Mod Configuration Menu (MCM) You can customize most of the mods immersive features, along with being able to custom tailor all kinds of player stats, loot drops, a handy loot organizer and a ton more. Project Nevada is a popular mainstay, and for good reason. Mostly just for making distant objects look better. FNVLODGen: This can take a bit of work and is relatively minor, so feel completely free to skip it. Changes the feel, but only for the better imo. Realistic Wasteland Lighting: Changed lighting, no more orange tint, that kind of thing.
They might feel a bit newer, sometimes, but with the Gun Runners manufacturing weapons. Weapon Retexture Project: Higher res weapons. Roads and wallpapers are the only things that really feel different instead of just looking better, but not much. NMC's Texture Pack: Redone textures for a lot of things ingame, but for the most part they are just higher res. Now for mods that might change the feel of the game, but not too much: One HUD: It allows you to move parts of the HUD around along with options to automatically hide it. IMPACT - Compatibility Edition and its requirements: All it really does is improve bullet impact visuals. Without changing the feel, some of the mods I'd use are:
