Troll Touch today announced the availability of its internally integrated touchscreen product for the current Apple 20 and 24 inch aluminum iMacs. Both systems feature the company’s proven, high resolution, analog resistive touchscreen technology which supports input via fingertip, gloved hand or stylus. The touchscreen is internally connected utilizing one of the machines USB ports. Troll’s component integration technique does not alter the machine’s form factor in any way, and to the casual observer, the system does not appear to have been modified. Pricing for the units begin at US$1,099.