if they DON'T nerf the stacking of some totems, than 10boxing 10 man instances will be much more viable. But even if the nerf totems somewhat, HEX will make 5 shamans even more instances friendly than they already are! I'm not worried about them nerfing ToW stacking .. or even healing stream. Just not grounding totems 8( . But truthfully .. they are not going to base nerfs on the possibility that there will be more than 5 shaman in a raid. That will happen but its limited to us nut bag MBs!
I'm looking forward to all the class changes! Warriors holding two hander in one hand ? wow! Hunter pet talents ?!?! Lots of great additions! oh and AE Shodowbolts fom warlocks !