"Having shaken up the laptop market with the launch of its Eee PC netbooks, Asus is now launching an innovative desktop machine called the Eee Top 1602.This has an iMac-style design - in the sense that the computer is built into the 15.6-inch widescreen display - but the big news is that this display is a touchscreen.Before you get too excited, we should point out that this screen is single-rather" . . . .