I have a never-ending search for the perfect bento box that has not been satisfied. BUT! it may soon will be because one of my favorite bento box blogs has made a map of where to buy bento items in local stores.
http://lunchinabox.net/bento-store-locator/
Check out her blog, its pretty great.
A couple of other bento blogs i likes:
http://www.soyandpepper.com/
http://justbento.com/
http://veganbento.blogsome.com/ <- Stopped posting two years ago, but i like their old posts.
and flickr group:
http://www.flickr.com/groups/bentoboxes/pool/
A lot of the bento boxes i like are from the brand Lock n' Lock like you see here:
Lock n' Lock store website
but i want to see it in real life
and fit n' fresh products also look interesting, especially this one.
also also, check out this cute bento ring