The other possibility is to buy an external hard disk, like this:
http://cgi.ebay.com/WD-Western-Digital-Passport-160GB-External-USB-Drive_W0QQitemZ120185873726QQihZ002QQcategoryZ116257QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
and your USB card reader.
But it still needs to be powered from an outlet somewhere and there's
no way to view the images. It's just portable storage, although
quite conveniently small.
--
Emily L. Ferguson
mailto:elf@xxxxxxxxxxxxxxxxxx
508-563-6822
New England landscapes, wooden boats and races
http://www.landsedgephoto.com
http://e-and-s.instaproofs.com/