linkedin.com – social network for professionals that also has a thorough job listing
jobfox.com – join company networks based on your interests & connect w/ people doing the hiring
jobkatch.com – identifies contacts from social networking sites that can help you in your job search
jobster.com – network with employers who are offering jobs, while you’re searching
plaxo.com – unifies all your contact info in a simple address book (associated w/ a job search site)
vizibility.com – ‘search me’ button for Google, delivering the search results you want people to see
sayhellothere.com – introduce yourself to prospective employers with a personalized video page
edyas.com – employers post contests & candidates respond to compete for employer attention
clearfit.com – use a career assessment to see how well you fit with different jobs
bright.com – can search your facebook friends list to find connections at companies you're interested in working for