Modifications or innovative advances to computer gadgets are acceptable and open, only if they don't really hamper performance of the users.

Sony has come up with the VGP-BMS30 Wireless Bluetooth mouse that not only looks quite traditional but proffers adequate technique to enhance your performance.
Featuring a range of about 10 meters (more than enough) and an innovative PTFE (short for 'Polytetrafluoroethylene' or Teflon) sole to slide around avoiding wrist sprain, the wireless mouse can be connected to any PC or laptop with a Bluetooth connection (Ver 1.2). You may get the Sony VGP-BMS30 from AudioCubes for $85.
Via: ohgizmo