for the 1000 all the info can be found at [Link: remotecentral.com]

the Pronto has a larger screen, the Neo has more hard buttons.

The Pronto has been around since 98, the NEO about a year now.

The file area for the Pronto is much larger then that of the NEO

For the NEO you need to use user created utilities to get full functionality, while PE has most of those functionalities built in.