At this point only the JotW and SoC nerfs have gone live, at least to my knowledge. Nothing changed for me as prot spec tonight in hyjal, still 6-7th on the overall dam at end of the raid.
I played with the Hotnerfs tonight and they did not really seem that bad to me. DPS was only slightly down and I ended fights with maybe 2/3 mana instead of full. Thats using consecrate even. My Ret is wearing a mix of S2/t4/badge so maybe its worse if your really geared out. (Mind you if you armory me right now I am wearing the crappy shoulders and gloves from the scourge event just for the novelty but normaly have badge and t4 there)
Just dinking around on HH and killing 4 Scourge shadow guys I was doing between 900-1200 DPS using SoC, thats not far from were I was before. I did not try blood becuase I was also healing the bear tank heh.
I plan to run ZA friday. Some of those fights like Bear or ZJ used to seem pretty long on my hunter for pots so maybe they will tax my Ret mana more. *shrugs
The tooltip for JotW still was showing 33% for me, so did that change actually go live? I really didn't see any difference in my mana pool at all, but I'm not a big numbers guy and didn't pay attention to exactly how much mana I was getting back, etc..
JotW is currently returning about half the mana it did before, so yes, that particular one is live. The seals nerf is not, however, and neither is the HoW nerf.
judgements of the wise nerf went through. so did seal of command nerf. the tooltips weren't fixed during the hotfix, but should get fixed in a later patch.