While I prefer my mini-PDAs to allow input with a stylus, like Oregon Scientific's Echo, people who hate pecking out information on a virtual keyboard will like Vista's input system.
The Vista PDA Fits in Your Wallet
While the first credit-card sized PDA, the Rex, is
long gone, the idea is still with us, most recently
incarnated with Royal's Vista. The problem with
the Rex was that you needed a computer to enter
your data. Royal has removed that necessity by
including a folding keyboard you attach to your
Vista.