Check out these innovative sites that have already put together fantastic career profiles:
Career Cruising – pay to use site thats about $400 per year with unlimited licenses per location.
Job Profiles – free site that offers several paragraphs of information on various careers.
Graduating Engineer – free site offering articles on different types of engineering fields
Majors & Careers – free site describing college courses needed for various career fields
Monster Career Advice – popular job search site has its own career profiles. Not highly detailed.