Posting for central location and to not lose anything. If this is not acceptable practice please remove and accept my apologies. Thank you.
Not sure how much of this is able to be done with the engine and game resources.
1) Rebuilding/renovating of Nuka Cola plant. After The Nuka Cola Challenge Sierra will reflect on wishing Nuka Cola was still being produced. This will grant a reply to start the quest of rebuilding the plant for production. Vault Tech HQ and RobCo for computer parts to fix the automation of the plant, Arlington Library /Capital preservation society for a copy or quest to find/recover the original Nuka Cola recipe invented by John-Caleb Bradberton. Collection of x number of Nuka cola bottles. Rivet City science lab for fresh fruits for ingredients, Since it's TTW the counterfeit cap machine would be needed.(But have it somewhere in DC) Ideally add "Clear" and other variants of Nuka Cola to the machines. The machines would be filled every few days by a couple Nuka Cola Protectron Sales men. This would grant you caps every 10 days of income (similar to how "Owned" did rent). Possibly have the option to hire Sudden Death Overtime as employees at the plant and add lines to Milo. This would need the various "flavors" of Nuka, textures of the bottles as well as fridge, vending machine, etc. There are quite a few of these on Nexus follow up on PM's for permissions.
2) Additions to Megaton. Turn the Jet Tail above Lucas Simm's house into a Jail with an outside step to the entrance near the water treatment plant. Have a Burke clone housed there if you gave Simms the pulse Charge. Burke's home gets new tennants after his removal as well. Add four snipers similar to Stockholm around the upper area of town. Make Weld tougher, have steel patrol, option to add "Tungsten" (Sentry bot stationed between gates) later game. Remove all clutter between gates. Add power supply, more brahmin, more houses and residents to town to match "Lore". Is it possible to "free" Gob and pay off his debt to Moriarty for Karma? Possibly allow Gob to return to Underworld.
3) Potential "train station" stops. Check into train routes from DC to Vegas during the 50's. Chicago and Kansas City both high potential, St.Louis? the ARCH area may be a fun wasteland explore, could use Pitt assets for quite a few of the river and bridge aspects. With MacDonald Douglas, General Dynamics and a few others having HQ's in St. Louis until the late 80's and being target #4 for USSR it would be plausible to have St.Louis a tech hub in the Fallout timeline as well.
4) Is it possible to script armor patches to show which groups you belong to? ie Reilly's Ranger's logo or BOS or Outcasts once you're friendly with them. That would explain how they recognize you as one of their own. If you belong to all then all the logos would show on the armor.
5) True wasteland survival armor. Use the Tunnelsnake outfit as base.
-Add "armor" from armored vault suit from Craterside supply
-Add belt bag from Elder Lyons robes
-Add pouch bandoleer from Merc Adventure armor
-Add belt pouches from male leather armor
-Add face mask from Merc Veteran armor
-Add kneepads and shin guards from combat armor
-Add binoculars, pistol, radio, stimpack, spork (random items on belt to appear carrying them for use)
-One piece "helmet" that is made up of stormchaser hat, bike goggles, surgical mask
Overall idea of armor is something you may actually wear and has pouches for all the various things that are carried.
Would be awesome if all the pouches etc could be added as a body slot and able to use with any base armor.
Where do the PA wearers carry their supplies and ammo???