Veeam Monitor was created expressly to help you better manage the health and performance of your VMware Infrastructure 3 (VI3) environment. With monitoring and alerting designed for the virtual world, support for troubleshooting, trending and capacity planning, Veeam Monitor equips you to proactively manage VI3 system performance. 

FEATURES AND ENHANCEMENTS

• Improved ESX/VC query. Veeam Monitor 2.1 was optimized to considerably reduce time necessary to retrieve metrics.
• ESX Server 3.5, VirtualCenter 2.5 compatibility.
• Veeam Monitor 2.1 is fully compatible with the latest version of VI3: ESX Server 3.5, VirtualCenter 2.5.
• Added Help button on the toolbar.
• Status of hosts and VMs in the inventory panel displayed just like in the Virtual Infrastructure Client.
• Additional validity checks when adding ESX/VC, creating reports, etc.
• Database host names and connection status displayed in "Status" bar.
• Improved scalability.
• Numerous usability improvements, bug fixes.

You can download a trial of Monitor 2.1, here.