#0 - Feb. 10, 2010, 5:45 p.m.
According to sites like thedrot.com and other achievements ratings and ingame information between top players, it's pretty too low now, after 3 days.
http://thedrot.com/search/81/4627/all/all/all/all/all/1
For example, the other event flying mount - The Horseman's Reins is rare, but not so much.
http://thedrot.com/search/81/980/all/all/all/all/all/1