With the upcoming patch 3.2, all dungeon will drop only 1 type of emblem which is Emblem of Triumph. This is the next Tier emblem for T9. This is the most radical changes that Blizzard have made mostly for the casuals to catch up with the Hardcore players. As you know, we can change the emblems from Triumph to Conquer to Valor to Heroism. You can only downgrade but not upgrade those emblems. The exchange rate is 1 to 1. This means casual players can run only heroics dungeon and still can get T8.5 set and epics level gears.
Well most people with start qq-ing but Blizzard had stated that this had to be done to make sure that the people who didn't raid or can't raid get the gears fast and catch up with the hardcores players. This is the same idea behind the emblems when BC came out. It will take a casual player about 530 emblems to gear up his toon to ULDAR 25man level. This can be achieved with mix of epics and T7/T7.5/T8 and finally T8.5. Even T9 also is easy to get with the upcoming patch.
This will probally make Naxxaramas the popular dungeon again because many people will be already overgeared for it and for the fresh 80's to get some gears before they had enough emblems to buy the next tiers gears. In 1 month a fresh (casual) 80's could be geared well enough for ULDAR 25man. Talk about easy mode.
Another change that Blizzard did was all gears (iL258 below) is purchaseable with emblems. I do agree that this is a welcome change which will make alot of people (casual) happy but this will also bring up a problem. Why would people spend their emblems on gears with iL232 when gears with iL245 will only cost 50% more. This will make the lower tiers be ignored. There is no point to buy them when you can get higher level gears later. This is still being argued all over in forums.
All I can say is just wait for the patch and see how it goes.