Easy: Shishkebab, Vampires Edge and Deathclaw Gauntlet.
Shiskebab.
Once you have completed the quest entitled 'Blood Ties'. Vance will give you schematics for the Shishkebab If you don't want to build one, Simply attack and Kill Vance. Loot his Body and Find it, There will also be a Key to a Sword cabinet. Up the stairs on the Platform head in the direction to where Ian West was stop about Ten Steps in and Turn around until you see a Wooden Door walk in there this will be Vance's Room, look for a Sword Cabinet open it and find a sword called 'Vampires Edge'.
Deathclaw Gauntlet.
To get this without building it requires the DLC 'The Pitt' also requires to get up to the stage where you fight in the Hole. Once your up to the Second Fight kill John and Grubber Bear and search and Loot John or Grubber one of the two will have it as a Melee Weapon.
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