Having a touch screen can be great on a laptop -- especially on convertible models that transform into a tablet. On a desktop, however, not so much. Don't get me wrong, there are plenty of applications where a touch screen monitor makes sense -- particularly in business and education. But home consumers won't necessarily see value in one. Today, Philips launches a new 24-inch 1080p touch screen monitor that is surprisingly affordable. Called "242B9T," it has plenty of ports, including VGA, DVI, HDMI, and DisplayPort. The touch aspect requires a USB connection, which doubles as connectivity for the integrated 2-port USB…
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