300 review
http://reviews.cnet.com/Panasonic_PV...-31660647.html

250 review
http://reviews.cnet.com/Panasonic_PV...tag=prod.txt.1

check out the user reviews. editors don't really use the equip for that long - users do.

http://www.camcorderinfo.com/ratings.php
check where both stand in the ratings and go read reviews and specs.