John Chow if giving away an ATi Radeon-based X1550 graphics card.
This card has a dual DVI output so you can connect two LCD monitors to your computer, or two CRT monitors using a converter. The card has 512 DDR2 on board and it value is around $100.
To enter the contest just comment on his post Who Wants A Dual Monitor Video Card? . He will make a draw from all the commentators and on Friday someone will win this card and with an extra monitor will be able to work like John Chow
This is of course one of his genius techniques to attract more visitors to his site and get more feedback in the comments of his blog.