I believe these are random but thought you might like to know which packs I chose to get the new vanities. I stopped after the 5th pack..
Please post screenshots of any other new vanities or weapons you received in item packs here for everyone to see :)
Got "Devil Horns" <3! from enchantress halloween pack lvl 20 (managed to get this 2/2 times)
http://img834.imageshack.us/img834/4994/eva3z.png
Got "Pirate Hat" from archer halloween pack lvl 20. You can also see bat images below.
http://img843.imageshack.us/img843/1843/eva5.png
http://img7.imageshack.us/img7/51/eva6.png
Got "Swashbuckler Hat" from archer halloween pack lvl 20
http://img847.imageshack.us/img847/7086/eva2.png
Got "Zombie Head" from warrior halloween pack lvl 20
http://img651.imageshack.us/img651/4299/eva4.png