In my opinion, gold upgrades need to be more common. It's very demoralizing to breakdown a thousand or so ancestor silk, and walk away with 7 to 9 wax to show for it. ._.
That is not a bad return. Gold upgrade mats are really abundant right now. I think mainly because no new sets have been released lately.
If anything they need to be rarer. It should not be common for everyone to have multiple gold sets, or to be able to gold stuff just because.
I voted for master writs, mainly because they mostly sell cosmetic fluff. The crafting stations are ok. Attunables are nice if you can get 1. The dps dummy is the best thing there imo. Atleast on console anyways, since we had no easy way to test dps.