"VIA has had a slew of UMPC design wins over the past couple of years as
this list shows - over 30 models of UMPCs. This doesn't include the
clamshell design wins either - we're putting together another list of
those. If your PDA isn’t powerful enough, but you find a standard laptop
too bulky, maybe you should peruse this list of ultra-portables. We've
got a little picture of each, plus specs and descriptions. There's also
a spec comparison chart"