Stitch Kingdom has a picture of a Disney Infinity themed Xbox 360 controller by PDP. The article says that there will also be themed Wii and Wii U controllers. The themed controllers should be available this holiday season according to the article.
"The Xbox 360 controller is decorated with artwork that highlights some of ‘Disney Infinity’s’ sure-to-be more popular characters and features special backlighting that will ‘bring the characters to life.’ It includes vibration capability and has a ten foot cable with breakaway. It will retail for $34.99.
The Nintendo Wii / Wii U controller features a removable faceplate that will accommodate one of six included art inserts. Designed and contoured for both large and small hands, it has a silky elastomer finish and includes a wrist strip. Suggested retail is $29.99."
Source: Stitch Kingdom