The Inspiron Duo convertible from Dell lets you switch from typing on a laptop to swiping on a multi-touch tablet in seconds. The Flash-capable Duo runs Windows 7 Home Premium (32-bit) on an Intel® Atom® Dual Core Processor N550 (1.5GHz, 512K L2 Cache) with 2GB RAM. It has a 10.1″ widescreen (1366 x 768) multi-touch screen, 1.3 megapixel webcam, 320GB 7200rpm SATA hard drive, 802.11n WiFi, 29WHr Lithium-Ion 4-cell battery, and more. The Dell Inspiron Duo sells for $549.99. Preliminary shipping date is December 17.