Pros
I worked at Kforce for over 2 years and in my time there did create some good relationships within my small team. I also was able to make good money for my amount of recruiting experience.
Cons
The management there encourages shady behavior in its recruiters. I saw recruiters fake reference checks, alter resumes with false statements, and even tell candidates that they did not receive job offers that they in fact did, just because the recruiter did not like the markup the deal would have been at. The culture is corporate beauracratic with a higher importance put on appearance than performace. A horrible work experience and only a stepping stone for true staffing professionals who inevitably will leave for a better role within 2 years. Be wary and if other staffing options are there, lean towards other agencies.