JSTOR, the full-text journal archive, has revamped its platform, offering more ways to improve your searches, browse, and save and export citations. You can also view abstracts and find links to articles that are not in JSTOR, but that you might be able to access through Stanford's subscriptions.
There is a short video tutorial on some of the new features here:
From this page you can also learn about JSTOR's new programs to provide current content of journals, and see the most up-to-date lists of journals included.
Update - there has been some criticism of some of the new features, particularly JSTOR's addition of citations whose availability from other subscription databases is ambiguous.