Bizmo's Brawlpub

I just want to find out, I have read the forum with all the new changes, but its doesn't seem right to me, in the forum it says that the Bizmo's Brawlpub is fixed but where is the AH in Nagrand to buy an invite, now I'm not sure if it is only for certain servers or something but on the frostwolf server it isn't there for wow mop patch 4.5.8 can you please give us clarity on how this actually works, as well as The Isle of Thunder you say its fixed but the whole place when you teleport thru the portal is empty can complete the first quest even.