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Alongside the revamped ultrabooks, Lenovo also added touch-sensitive screens to its Z400 (pictured) and Z500 laptops, both of which start at a slightly lower price than the U310 or U410, priced from $700 (£435).
Like the U series, the IdeaPad Z400 and Z500 displays now support 10-point multi-touch input, third-generation Core i7 processors and up to 16GB of RAM.
Other key specs include multiple USB 2.0 ports, USB 3.0 and HDMI output and dedicated graphics in the form of an unspecified Nvidia GeForce graphics card.
Both also have Dolby Home Theatre v4 support and offer a backlit AccuType keyboard.
With both devices offering largely the same specs, the key difference between them is screen size: the Z400 offers a 14-inch display where as the Z500 (pictured) has a 15.6-inch display. Whichever buyers opt for, the maximum resolution of the displays is 1600 x 900 pixels.
The Z400 will be available from March and the Z500 should go on sale in April, Lenovo said.