OCZ Neural Impulse Actuator (Brain-Controlled Mouse) for $79.49 shipped after applying this coupon and a $20 rebate.  Here is a screenshot before the $20 rebate for your reference.  Note that the coupon is for new customers only so it may be necessary to sign up for a new account to use it.  This is an interesting device that gives the ability to control the mouse without moving a finger.  Here is a review of how it works and additional information.  A video clip is also available.  Most places have it for over $125.