The flashiest upgrade for any computer is a big, beautiful LCD monitor. It’s something everyone will notice. But not everyone will catch on that the Wacom Cintiq is so much more than just a 21.3-inch looker-at least, not until they see that cordless stylus next to it. Then you can reveal the truth: It’s, an interactive, pressure-sensitive (to 1,024 levels), pen-driven display that you need for your art.