Magellan sells a V5 firmware / software upgrade for RoadMate 700 that gives it the same functionality as RoadMate 760.
Key features in the version 5 update include:
- newer maps and POI database
- spoken street names
- multi-destination routing
- suggests a detour when you encounter slow freeway traffic
Here’s a link to the RM700 upgrade page at Magellan’s web site.