Haste is still somewhat important
Im not going to argue about intellect being important because we all know that and you would be silly to have gear without it already with int. Minus the occasional spirit/healing trinkets. But one reason i decided to look up new shaman guides is that on some of these raids fights, the one that made me think about haste was the first boss group in bastion of twilight where theres some crazy damage happening and at some points you can see the tanks health going down so fast that is just looks like its going from 75% to 5% repeatedly and that the only reason theyre surviving is that theres 3 healers constently spamming heals on that tank. Every fraction of a second mattered in preventing the tank from dying and causing a wipe. I felt like i couldnt cast fast enough. My ilvl is currently 357 and gearscore is about 8600+ and the problem that happens now isnt the heal being big enough, or criting enough, these raids deal big damage sometimes and its not always because someones in something bad. I decided after downing 5 random cata bosses that i would look into reforging more crit. I actually started taking off spirit even, just to see the haste go up some. My spirit was at about 4200 before i started reforging stuff to haste. I had reforged to haste before when possible and stuck one or 2 gems with haste in my gear, but mainly chose spirit as my main priority over the haste. Now my haste is at 13% and my spirit went down but i think its a matter of balance. If i start to oom too fast then its out of balance and will change some back to spirit. But, i think haste has its importance in the cata content. Especially being able to cast the cheaper hw instead of hs more often.