One of the biggest arguments against 3D technology is the cost, especially as more and more 3D content becomes available, which used to be one of the other major concerns. You know no longer have to ask, 'What the heck would I use a 3D monitor for?,' and with the launch of Hewlett-Packard's new 23-inch 3D monitor (2311GT), you don't have to sweat the price tag, either.