iMac G4 receives external touchscreen display

Have a spare iMac G4 lying around that you are not quite sure what you want to do with it? Well, you could spend a fair number of hours modding it, case in point this model that comes with an external touchscreen display, albeit lacking multi-touch capability. Do you wonder whether there are any other iMac G4 mods that are cooler than this? Do share your discovery with us in the comments section as we too, are keen on checking out other uber cool stuff.