System Center, you'll recall, is the suite of management tools aimed at Microsoft servers. The first offering, Microsoft System Center Operations Manager 2007, debuted in March, along with a companion tool called System Center Configuration Manager 2007, now in its own second beta test cycle. (See Microsoft Grows Its Grand Plan.)
The System Center family also includes a Capacity Planning tool, a Data Protection Manager, and other packages in varying stages of beta test or availability.
All these products will be kept up-to-date with Longhorn, the next Windows Server operating system, which is also in beta and is aimed for launch later this year.
VMM is set for release to manufacturing (RTM) this fall, in roughly the same timeframe as the Configuration Manager. As with the rest of the tools, including the Operations Manager, pricing hasn't been set.