Microsoft System Center Operations Manager 2007 R2 Evaluation Download

If you have Software Assurance and plan on upgrading your Operations Manager 2007 SP1 environment to Operations Manger 2007 R2, here is a superb walk through (with links) of the R2 Upgrade process.

My experience upgrading to OpsMgr R2 RTM

Kevin Holman is usually on the forefront of Operations Manager and this time he has some wonderful tips to follow during your upgrade.

Nice work Kevin!