Other stuff that wouldn't fit would include talon company armor, that horribly ugly Enclave armor, Reilly's Ranger's armor, and basically anything else that's faction-specific to groups in the Capital Wasteland or the Enclave (unless you're going to include a much larger Enclave presence in the region, which wouldn't be proper in my opinion). Anything marked as Vault 101 or one of the other capital wasteland vaults wouldn't fit, either.
I have no problem with the 'generic items' being added except I don't want them cluttering up my game (personal preference only and I can understand why others would want that sort of stuff). I really don't want to see the Combat Shotgun from F3 added because I find it ugly, but that's really personal preference.