Yeah, I think P&T could be the weapon of choice, since it just dropped for me on nightfall, and I had Hard Light, TLW and MIDA all drop for me in the weeks preceding their sale by Xur.. There's only one weapon he can sell that I don't have, but that is a certain launcher that he is unlikely to sell again if the word on the grapevine is to be believed. Hoping for lucky raspberry for the hunter so I will have the entire exotic armour collection across all 3 characters, but other than that I'm gonna start stocking up on shards for the upgrades to my existing exotics