Do you have an iPad or Android tablet ((Google Nexus, Samsung Galaxy, or Kindle Fire HD running Ice Cream Sandwich)? You might be interested in the Libraries new tablet browsing/discovery service, BrowZine. It makes it easy to scan tables of content, and open articles in your preferred PDF reader (i.e. GoodReader, iAnnotate, or PDFExpert) for reading and mark-up. Articles and/or article information can also be automatically sent to other places (including DropBox) You can also create a bookshelf of journals you want to save for easy access, and save individual articles.