Christmas is very close now and after the Black Friday sales (US only) now it's time for another epic savings. Both US and EU stores have some pretty nice prices now.
Like they say, It's a good time to pick a gift for you or your friends.

Here is what you can get:

• WoW: Battle Chest for $5 (reg. $19.99) - 9.99€ (reg. 14.99€)
  
• Cataclysm for $20 (reg. $39.99) - 24.99€ (reg. 34.99€)
  
• Wrath of the Lich King for $10 (reg. $39.99) - 24.99€ (reg. 34.99€)
  
• Starcraft II: Wings of Liberty for 39.99€ (reg. 59.99€) (EU ONLY)
  
• Celestial Steed for $10 (reg. $25) - 10€ (reg. 25€)
  
• Pandaren Monk for $5 (reg. $10) - 5€ (reg. 10€)

So, if you are interested take a look in Blizzard Store (EU,US)