Anyone using a Magellan eXplorist 610 or 710?

I'm considering getting a 610 or 710, so I'm looking for feedback on
- how easy you find it to use
- battery life in the field
- accuracy
- start up time
Any other useful comments or thoughts that you would like to share.
- how easy you find it to use
- battery life in the field
- accuracy
- start up time
Any other useful comments or thoughts that you would like to share.