While the former may not have the broadest product line, it's riding high in the PC, tablet and TV accessory market, whereas the latter is fighting to make a comeback in the handset market it once dominated.

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The DuoSense software identifies the position of the Pencil and the pressure level, removing the need for an excitation coil within the DuoSense digitizer and can be used either as an integral part of the solution or as an optional after-market accessory, enabling OEMs to offer system upgrades, making the Digital Pencil ideal for the consumer market.

ENGADGET: N-trig's Digital Pencil plays pen and fingertip roles, claims mastery of both

In Japan, where Palm and other U.S. PDA makers have failed to gain a large market share, Sony will be positioning the Clie as an accessory for the audio-visual or entertainment-conscious consumer while the U.S. market is more focused on its use as a work tool.

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The first iHome product introduced, the iPod Clock Radio, was an exceptional success that became the top-selling iPod accessory for the year, and firmly established iHome as the premier brand in the iPod electronics market.

ENGADGET: iHome intros iDM5 Executive workstation for tablets / smartphones, priced at $130