From the category archives:

19-inch touch screen monitor

Planar PT1915MU 19-Inch SAW Touch Screen Analog/DVI-D LCD Monitor with USB Driver and 5-90 degrees Tilt (Black)

by Touch Screen Laptop Expert

Planar PT1910MX-WH 19-Inch 5-Wire Resistive Touch Screen Analog/DVI-D LCD Monitor with Dual USB/Serial Controller and 5-90 degrees Tilt (White)

by Touch Screen Laptop Expert

Planar PT191MU-WH 19-Inch Capacitive Touch Screen LCD Monitor with USB Driver and Speakers (White)

by Touch Screen Laptop Expert

Planar PT1910MX-BK 19-Inch 5-Wire Resistive Touch Screen

by Touch Screen Laptop Expert