http://www.veeam.com/vmware-esx-reporting.html
Veeam Reporter automatically discovers and collects
information about your VMware Infrastructure 3 environment, its
components and configuration settings, and provides comprehensive
visual reports for analysis, documentation and decision-making support.
The product is designed for professional use by ESX consultants,
administrators, system integrators and datacenter managers.
Veeam Reporter extends the capabilities of VMware VirtualCenter
Maps, and offers you convenient reports in different formats. The
reports are essential for current infrastructure analysis and planning,
troubleshooting, change management and inventory.