‘Tis the season for promotions it seems, as Asus is officially rolling out their Desktop Christmas promotion for customers. The promo is pretty straightforward – customers who buy Asus branded desktops get a chance to win a couple of awesome Asus products, which include their O!Play Mini, USB-N10, video cards and a lot more. You’ll just have to present your receipt to the an Asus concept store located in various areas of the metro (SM Megamall, SM North and SM MOA) to draw a prize from the promo box. Simple, really. The promotion will run from November 20 to December 20, 2011.