I like that there's a discussion, I just wish I'd joined in earlier!
Still, it really annoys me that the changes to healing is going to spill over to everyone like this. If I play my mage my job is to to damage, now I have to do everything basically. There's a giant hump to get over until you start getting really great gear that can ease the situation. I dobut alot of the wrath-players will even know what to do to get there. During wrath the game was adapted to be more casual and a little easier, now we take a giant step backwards to what I can only relate to as being the first time you set foot into heroic mech in burning crusade, except now I like think I actually know what I'm doing and I'm still just speechless.
Now, I'm not disagreeing with you, greenbeermonkey but I do think that it has gone totally haywire. You need to know that you can trust the others in the group 100% so using the LFG tool is out of the question. You need appropriate cc and a player that can handle them flawlessly. Consumables was intended not to play a major part in your game, if you come unprepared to a normal 5-mans now then you're just out of the question. A hunter without bandages, pots, food, water, elixirs and buff food has no place in a dungeon. Healers have to reforge every single bit of gear to add spirit and I don't even know how useful it will be in the end.
For my part I have a talent called Telluric Currents that gives me mana (40% of the damage done with lightning bolt), so lightning bolt costs roughly 1400 mana, as long as it hits for over 2800 i will get mana back. The problem is that it's over 2 seconds cast time! I don't know if the other healer classes have similar talents but I seriously hope so. I dont want to have to mix healing with damage like that but there's no choice really and I'm not clear why healers should be pointed in that direction. If that's the intent then all the encounters needs to be tuned for that which is clearly not the case right now. Every other trash pack has some ridiculous 360 aoe thing so dps takes damage, especially melee so even if I can get mana back there's really no time to do it. Sure, I'd love to go all onyxia leader on every dps taking damage but the fact is that it's not always their fault, and I now no longer have the means to heal them.
Health pools have doubled or trippled, healing spells costs 400% more, regen is just trying to put makeup on a corpse and the spells hit roughly for what they did in wrath. I just can't get the logic of this at all.
Wall of text crits you for 60000. You die.