An improved user interface for the GO 2405 and 2505 means drivers will spend less time pressing the screen, and more time with their hands on the driving wheel. Saying that, however, it now supports the familiar pinch-to-zoom interaction.
Just imagine playing this on the R2-D2 version of the Droid 2. The whole word would explode from awesomeness. Who needs a crystal-cut voice dictating turns anyway?