With a detachable keyboard-docking system users easily switch between a clamshell notebook PC and a tablet PC.

ENGADGET: AT&T gets its hands on ASUS VivoTab RT and Samsung ATIV Smart PC, wants to put them in yours this holiday

There are devices with detachable keyboard, and others that flip and swivel.

FORBES: Intel: New Laptop Chips, New Ultrabooks To Debut At IDF

The Transformer series feature a detachable keyboard with a two-sided display panel that can be used for work on one side and film transmission or other entertainment on the other.

NPR: Taiwan Makers Showcase Computers At Computex

Aside from its pedigree of simply being a ThinkPad (I will forever prefer that red TrackPoint to any other pointing device, and their keyboards are exceptional), it improves on the Yoga by boasting a detachable keyboard dock.

FORBES: Best Of CES: Is Lenovo's ThinkPad Helix The Perfect Ultrabook/Tablet Hybrid?

Indeed, HP has already shown off the Envy X2 detachable tablet that locks into a matched keyboard.

ENGADGET: Switched On: Hail to the hybrids

With a high responsiveness and exceptional processing power, it is a 13.3-inch detachable mobile laptops that use according to the scene, you can combine and separate the LCD screen and keyboard.

ENGADGET: ASUS Transformer Book shows sudden sign of life: 13-inch Core i5 model coming to Japan this week