I've had 2 of most, all except Thunderlord (only 1, from Crota - should have bought another but I didn't). I do have 2+ of all of my favorites though: 2 Ghorn 2 Ice Breaker 3 Vex 2 Bad Juju Then 1 or 2 of every other weapon, and I have a Husk, and an Ally, but no Crux.