Along with the just-introduced ThinkPad Edge E431 and E531, the Helix sports a new trackpad that forgoes the secondary buttons meant to be used with the TrackPoint.

ENGADGET

As for Lenovo, the tablet threatens to disrupt several of the ThinkPad's characteristics such as its TrackPoint and keyboard (as well as the software library advantages it enjoys supporting Windows).

ENGADGET: Switched On: The watch and the workhorse

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?

Like the X100e, there's no lack of ways to push around the cursor on the X120e -- there's the signature red TrackPoint (or nub) smack in the middle of the keyboard, and a smaller 3.0 x 1.5-inch touchpad below.

ENGADGET: Lenovo ThinkPad X120e review

While the low-voltage Core i5 chip (there's a Core i3 option), 1080p IPS-based screen, 5-megapixel rear camera and front 1.3-megapixel shooter don't scream for attention by themselves among higher-end Windows 8 slates, there's an optical trackpoint and mouse buttons that make themselves genuinely handy in the non-Metro desktop.

ENGADGET: Hands-on with Gigabyte's S1082 and S1185 Windows 8 tablets (video)