Hurray!!! As anounced at the MMS 2009 in Las Vegas, Operations Manager 2007 R2 RTM would be released within 30 days. Although not yet visible on the opsmgr microsoft site, Operations Manager 2007 R2 has apparently gone RTM since it appeared on the download site. An evaluation version of SCOM 2007 R2 can be downloaded here.
Microsoft System Center Operations Manager 2007 R2 delivers end-to-end service management of applications and IT services running across your datacenter fabric, providing you greater control and insight into the health and performance of your Microsoft, UNIX and Linux servers, and the workloads running on them. With Operations Manager 2007 R2 you can reduce the cost of managing your datacenter, and assure delivery of IT services to expected and agreed levels.