Anti-Virus Solutions for Mac

Hi all, I was wondering what you as Mac OS X Admins would recommend as anti-virus solution; our company's statute demands that our IT is regularly audited and lack of anti-virus measures would just make the auditors choke. Requirements would be: - targeted for a SME (10 Macs or so) - central management would be a bonus We identified some candidates but since we have no experience in this whatsoever, we'd like some other opinions avast! antivirus Mac Edition McAfee (formerly Virex) Intego VirusBarrier X6 TrendMicro Worry-Free Business Security 7 – Advanced Looking forward to your 2c