Amazon US has some new Ninjago 2013 sets now. You will have to search LEGO 70500, LEGO 70504, or LEGO 70505. Don't put the set name or it won't show up on your search.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dtoys-and-games&field-keywords=LEGO+70505
They also show up in Central Illinos at Toysrus. They wouldn't allow me to buy the new sets. They said manager can't orveride it. The lego person put them on the shelf and can not sale until January. What a crappppp!!!