Guild Balloons..they have the Guild Crest on them.
Rogues being able to transmog daggers into any one-hander.
Rogue Glyph for vanish where you leave behind a log
More Polymorph options..Maggot,Snake,Corgi,Fish out of water&flopping
Long beard options for humans.
Gnome Hunters
Worgen Shaman
5-Man mount
Gnomeregan made a capitol city with fun stuff to do inside.
Exodar repaired and now floating above it's old crash-site.
Glyph Of Canibalism- Undead grow as big as Tauren if they Canibalize.
Glyph Of The Owl- Flight Form is an Owl. Different color glyphs.
Glyph Of The Halfling- Gnomes Dwarves and Goblins reduced in size slightly.
Female Warlocks called Witches.
Broom Mount -Class Flying Mount for Witches/Warlocks.
Glyph Of Holyform- All Shadow Spells now look like Holy based spells including Shadowform.