Personally, I feel that set items drop frequently enough. My issue is that given their rarity (which I find acceptable) they seem to still have the same rolling rules as legendaries which I insta-shard.
Given how few set items I actually find, I'd like not to think "Oh, gee, another horrible Compass Rose" and run off to Haedrig immediately. If they want to keep them this rare they really should think about some enhancements to how they roll. Honestly I'm sick of finding mostly-useless set pieces because they didn't roll only one "bad/wrong" stat. That would be acceptable if I'm finding sets every 2-3 hours, but considering it's less than 1/day for me, it seems asinine that I'd be finding set items that don't instantly make me want to equip them.
TL;DR
I don't mind rare so long as rarity also makes it more likely that the item will be useful.
/2cents
^^This
While I know D3 isn't WoW, i wish they would add a daily/3 day/weekly quest which once completed allowed you to reroll all the affixes on a class set item at the enchanter. That way when you finallyget that piece of a class set and it rolls horrible stats you have a chance to make it better and get some use from it rather than the current position where it sits in your stash making you dream about what could have been.
Given there is no trading, i feel class set items are rare enough drops for this functionality, especially if the quest reset is long enough so it cant be abused.
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While I know D3 isn't WoW, i wish they would add a daily/3 day/weekly quest which once completed allowed you to reroll all the affixes on a class set item at the enchanter. That way when you finallyget that piece of a class set and it rolls horrible stats you have a chance to make it better and get some use from it rather than the current position where it sits in your stash making you dream about what could have been.
Given there is no trading, i feel class set items are rare enough drops for this functionality, especially if the quest reset is long enough so it cant be abused.