One word of caution: Please know where your resume is going when you work with a faceless, nameless recruiter. I cannot tell you how many resumes I receive each week that have absolutely nothing to do with my searches or clients -or even the legal community. I believe you are best served by networking, knocking on doors and keeping in constant contact with your law school career services office. I hope this advice helps.
Summary: This is a tough question for me because I really don't know that much about the online recruiters. However, here is what I think.