Despite the general shrugging of shoulders that greeted the launch of the first Microsoft-based ultra-mobile PCs (UMPCs), the lilliputian computers are still set to find a market, analysts believe. According to research from In-Stat, the number of devices shipped could rise to 7.8 million by 2011, driven by users keen for a data-centric device beyond their mobile.

The slow advance of the UMPC will be hampered by the lack of appropriate processors, In-Stat said, with battery life failing to match the functionality demands of the devices themselves. However, both Intel and Microsoft have said they are working on extending the devices' average battery life for future generations of UMPCs.

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