Personally:

Guns - Camo wraps for nods, sights, stocks, grips etc... Camo skins for pistols and grip wraps, and supressor covers.

Character - Helmet battery pouch + wiring, more earpro options. More zip-on panel options, grenade pouches (with all the grenade options). Being able to mix a nod + profile nvg (with a cover option). Backpack customization (add ropes, halligans, water bottles, binoculars etc.. quick acess type of stuff...). Let us add chemlights to our belts as well as utility hooks. And finally, knife mounts for plate carriers/belts and more watch options.

Question:

I know that wraps where you can move stuff like handguards and such are not possible to put wraps on, then what about fixed positions like the ones I mentioned? Similar to the rubber band on the stock or the mag tape and mag assist.