Occupational Outlook Handbook - Bureau of  Labor Statistics, U.S. Department of Labor
Search by categories or specific job title to learn more about the nature of the work, employment opportunities, job outlook, earnings, working conditions, and training requirements.
http://www.bls.gov/oco

Majors & Careers Central - CollegeBoard.com
Click on "Majors & Careers Central" then "Major & Career Profiles" to browse careers by categories.
http://www.collegeboard.com/student/csearch/majors_careers/index.html

CareerZone - New York State Department of Labor
Contains a self assessment tool, plus basic information on a wide variety of careers.  Salary and job outlook information, specifically for New York State, is listed.
http://nycareerzone.org

Your Winning Edge - New York State Dept. of Labor
Includes tips for successful interviews, resumes and cover letters.  Also has sample resumes and cover letters.
http://www.labor.ny.gov/stats/publications/winning_edge/winnedge_index.shtm

America's Career InfoNet

Trends, outlooks, wage information and educational requirements for a variety of careers.
http://www.acinet.org

NAfME Career Center - The National Association for Music Education
Qualifications, training, etc. required for careers in music.
http://www.menc.org/careers

Careers in Music
http://www.careersinmusic.com

iSciWNY
Information on careers in the life sciences.
http://www.isciwny.com