This is kind of a Christmas gift for gamers, Logitech now allows a custom customization on their G9 Laser mouse. You are now allow to insert a picture to the hand grip position shown in the picture:
Logitech called it ID Grip, which allow you to put your style on it. ID Grip apply quickly and easily and and you’ll have up to 15 custom style available at the website. If you feel the collection of art is not suitable for you, you can have your own art/picture uploaded to Logitech site and let them help you printing the image to the ID Grip.
Logitech G9 ID grip will be available for $20 and you can directly buy it through Logitech official site.