Google news search now includes blog content — I’ve noticed some job openings listed in those blog results:
Litigation support: http://blogsearch.google.com/blogsearch?hl=en&client=news&q=litigation+support+AND+paralegal
Corporate: http://blogsearch.google.com/blogsearch?hl=en&client=news&q=corporate+AND+paralegal
Real estate: http://blogsearch.google.com/blogsearch?hl=en&client=news&q=real+estate+AND+paralegal
Intellectual property: http://blogsearch.google.com/blogsearch?hl=en&client=news&q=intellectual+property+AND+paralegal
Labor law: http://blogsearch.google.com/blogsearch?hl=en&client=news&q=labor+law+AND+paralegal