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Lenovo has announced updates to its existing U and Z series laptops including adding a touchscreen display to the machines in order to make the most out of Windows 8.
The Chinese PC manufacturer launched the new Touch edition devices at CES (the Consumer Electronics Show) in Las Vegas on Sunday.
In total, Lenovo has added touchscreen interfaces to four machines in its existing U and Z series IdeaPad ranges - changes which have been made as a result of Microsoft's reworking of the Windows operating system to be more orientated around touch input.
Touch "is driving new interactions with devices and digital content", Peter Hortensius, senior vice president of Lenovo, said in a statement. "We've aggressively integrated touch across our consumer PCs so that we have one of the largest portfolios of Windows 8 touch products available."
Among the list of updated machines is the Lenovo 310 Touch, a revamped version of the U310. The device has a 13.3-inch display, measures in at just 18mm thick and has, Lenovo claims, a wake-up time of less than one second.
The U410 (pictured) is similarly svelte at 21mm thick and has a slightly larger 14-inch screen. Despite the difference in screen size, both offer a maximum resolution of 1,366 x 768 pixels.
The U310 and U410 were first released during 2012 but both are now available in a Touch model that supports 10-finger operation and gesture controls.
Under the bonnet, the U310 Touch and U410 Touch's hardware can be specified by the buyer, but can include third-generation Intel Core i7 processors, up to 1TB hard disk drive, integrated graphics and up to 8GB of RAM. Lenovo said the U310 has around six hours of battery life whereas the U410 can eke out eight hours.
UK pricing was not available at the time of writing but in the US, the U310 should start from around $780 (£465) when it goes on sale in March 2013, while the U410 will be available from around $850 (£528) in April.
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.