I’ve been doing mythics and a few m+ keys as well as LFR and normal Nathria for armor upgrades. So far 8 of my armor pieces do not have haste on them. Now I do have pieces that are much lower ilvl that do have haste on them I can switch out but is it worth it? My current ilvl is 188. How important is haste for resto druids? Does it affect the global cool down and rate of heal over time?
In general higher item level is better. If it’s a matter of 2-3 item level for haste/mastery I’d go with the haste/mastery. If it’s 5+ ilvl drop I wouldn’t bother.
Not having the secondary stats you want sucks, but it’ll come
In general, druids want to sit around 20% haste (or higher). But gear up as you can. Ilvl is the most important thing.
After that, if you primarily focus on raiding haste > crit > vers > mastery
if you primarily focus on dungeons and m+ haste > mastery > vers > crit