Netbook Navigator, a provider of mobile devices, will unveil three new Windows-based tablet PCs at Las Vegas Convention Centre from January 6-9.

The new product line will include the NAV7, a multi-touch 7" Windows tablet, the all new NAV10i, and the newly upgraded NAV9 Slate PC.

The company will also unveil its Navigator User Interface (NAV UI) offering users an interactive and touch-friendly PC desktop experience tailored to the tablet form factor.

The company said that all three tablets will feature the Intel ATOM processors, Solid State HDDs, 2GB RAM, multiple USB ports, WiFi/Bluetooth, optional 3G connectivity and front-side webcams.

In addition, the NAV7 will feature a multi-touch 7" capacitive LCD, accelerometer, built-in touch pad and swappable battery providing users with unprecedented PC mobility.

The NAV10i will feature a multi-touch 10.1" capacitive LCD, multiple shortcut keys for easy access to key features, and a front-side track pad for precise control of the Windows desktop.

The new NAV9 will feature a rugged multi-touch 8.9" low-pressure resistive LCD and SDHC/MMC card slot, and will be available in all black for the first time.

The company said that the NAV UI software interface will be made available exclusively on these three tablet devices, and will feature a navigation system that will allow users to manage multiple PC applications simultaneously, and browse files, folders and apps with the swipe of a finger.