World's largest manufacturer of cellphones Nokia is all set to foray into laptop market with revelation of its upcoming mini-laptop "Nokia Booklet 3G", powered with Intel Atom processor and Microsoft Windows 7 as operating-system the handy laptop packs quite a punch with features like 10.1-inch HD display, 3G/HSPA ready with hot-swappable SIM card facility, HDMI port for HD video out, Wi-Fi, assisted-GPS with Ovi Maps, camera, bluetooth and card-reader - all this packed into an gadget less then a kilogram in weight and 2cm thick.