Vortex Nano

The Vortex Nano is a spin-off to the Vortex Due, and is designed to be a smaller and slightly stripped down and smaller version of the Vortex Due.

Notable upgrades and pros

 * Smaller form-factor
 * Numeric keypad instead of QWERTY keyboard
 * Cheaper

Reception
People positively reacted to the Nano as a "smaller, cheaper version of the Due". A second model of the Nano was ever made, mainly due to the fact that the Tre had a smaller form factor to the Due.