UPDATE (12/9): The VMware plug-in and Cloud Services Beta/UAT programs have ended and are now in GA (General Availability). The Kaseya plug-in is in the First Availability (FA) cycle and you can sign up for that program here:
Backup Exec Management Plug-in for Kaseya - First Availability
There are a few Beta programs tied to the Backup Exec product line currently in play and that still have some openings (each link provides lots more detail in addition to providing the sign-up opportunity):
Backup Exec Management Plug-in for Vmware - Auto-recovery (URL removed) Beta (integration with ApplicationHA - High Availability product line)
Backup Exec Management Plug-in for Kaseya - Beta (URL removed) - Advanced Remote Monitoring & Management for Backup Exec 2010 R3 servers
Cloud Services for Backup Exec 2010 R3 - Release Candidate (URL removed) Private Cloud opportunity geared towards Managed Service Providers and Branch Office WAN setups
If you have any questions you wish to ask beyond the detail provided at each link before you sign-up, don't hesitate to email me via your Connect account messaging options.