An anonymous reader writes "Shopping for a new mouse? Got $20k to blow? Well then we have the the mouse for you! The world's most expensive computer mouse, cast from 18 carat white gold and set with 59 brilliant cut diamonds. "A perfect gift for a 60th wedding anniversary, as diamond is the traditional gift for this event, it is also a great choice for a 50th wedding anniversary, as Gold is the traditional gift for this event!" the site says that sells the mouse. I don't know about you, but I don't have $20k burning a hole in my pocket!"