I think i know what you are talking about, i was actually thinking about trying this myself but was too busy playing on my 110.... this could be something else though.
I can't even keep track of it all , I've been farming gear on 12 twinks during the invasion, sometimes 4 simultaneously, 3 subs + 1 f2p , unfortunately i cant farm much this weekend as im on vacation, i guess it's "good enough"... :/
I'm sad that i own 3 frost and 3 arcane and now they are available to mog across everything :p... even if i have frost though i think that arcane looks nicer, specially with invasion gear. Purple ftw.
I'm actually pretty sure the requirement for this mount was lvl 40 if i'm not mistaken, i saw people with this already at 49 in classic, i shit you not.
Then I'm sorry for the doublepost, but im still celebrating as this is my last day of farming the invasion (Going away until monday..) And even though i will grind it to the end to get as many +10 as possible, i feel good about the rest beeing +5.
:))
Not sure, I didn't see any threads about it actually beeing implemented, this was the first thread that i saw, then when lurking other threads some replies contained this update too, but they were still generally unrelated to this issue.