AVEPOINT DocAve 4.0, fully integrated solution for Microsoft Office SharePoint Server 2007 and Windows SharePoint Services 2007. AvePoint specializes in award winning, enterprise-strength backup and management solutions for Microsoft Office SharePoint Server and Windows SharePoint Services. With 1000+ customers throughout the world, AvePoint has become the market and technology leader in SharePoint staging, backup, migration, archiving, auditing, and disaster recovery solutions. 
Solution highlights:
  • DocAve enables fast backup and restore of business critical documents in a live environment, addressing all shortcomings inherent in the native SharePoint backup tools
  • Browser-based interface (integrated with Active Directory) allows monitoring of ALL SharePoint farms
  • Point&Click Content Management allows dynamic growth and change of the SharePoint topology and facilitates electronic records management.
  • Item-level archiving with full index and search support saves valuable server space
  • Auditing module allows tracking of all user interactions in Sharepoint, also helps companies to be compliant with various standards, such as HIPAA and Sarbanes-Oxley.
  • Complete disaster recovery tool ensures 24×7 availability of all SharePoint farms

More information is available here http://www.avepoint.com/products/DocAve4_0.htm and a whitepaper is available here http://www.avepoint.com/download/MOSS_2007_Backup_Strategies.pdf