"ab sell" writes:
Thanks for all your comments. I checked some reviews on Amazon and I
believe the batteries get drained faster in both of these.

The 630 and 710? Battery life should be reasonably good with both,
especially the 630 (which uses four cells).

Are any other similar Cameras with rechargable batteries better?

The 540 and especially the 610/620 might run even longer, but the
difference shouldn't matter much.