I don't know if the above is the right motto for me. Bookmarks in del.icio.us. Pictures in Flickr. Somehow, I prefer to have this stuff with me rather than with some central hosts.
What they do right: automatic indexing of page content, so you can find it again. If there were also an OS X version where the browser is really an OS X application (and not just an application that runs on OS X), that could really be appealing.