Normally $65, Amazon has it on sale today for $44:
http://www.amazon.com/gp/product/B0041HROGG?ie=UTF8&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0041HROGG
(via http://www.xbox360digest.com/2011/01/23/transforming-d-pad-controller-for-20-off/)