Tomorrow (12/13) Kung Fu Panda 2 will come out on video. I know Target, Meijer, and Best Buy will have the regular version on sale for $16.99. Blu Ray will cost a bit more.
Coupons.com currently has a $5 off coupon that is good through December 25, making the video only $11.99. In addtion to the Kung Fu Panda coupon, there are coupons to many other favorite TV shows and movies.