the TDA is the new Newton.

When it comes to the Newton there will always be something new that will bring back feelings of the first time you saw the Newton. This may be the device for quite a few people. It's just hard to imagine how you would type out someone's contact information with such a novel interface. Read the review of the Jackito at Bona Fide Reviews.

The Jackito is entirely customizable you can choose between add-ons like internal MP3 player, FM radio, microphone, headset, Bluetooth, solar battery charger and much more [...]

Sounds like it has a lot of capabilities that the Newton has as well as a few new features (as did the Newton) especially the thumb-interface.