www.ombudsman.ed.gov - The SFA Ombudsman works with student loan borrowers to informally resolve loan disputes and problems with their Stafford, PLUS, Direct and Perkins loans. They can also be reached by phone at (877) 557-2575. This is not a contact for general loan questions.
www.finaid.org - The most comprehensive annotated collection of information about student financial aid on the web. This site contains information on scholarships, scams and has an EFC calculator, to name a few highlights.