http://gb4less.com/ The premise of the site is to show the products in each category with the lowest cost per GB of storage. This won't necessarily hit your portability requirements (though if you click on the category, you might be able to narrow it down with some search terms), but you might want to file it away even if it's not helpful right now.
A good aggregator site for this...
The premise of the site is to show the products in each category with the lowest cost per GB of storage. This won't necessarily hit your portability requirements (though if you click on the category, you might be able to narrow it down with some search terms), but you might want to file it away even if it's not helpful right now.