Hi!
I've found nice article about deploying all-in-one VPC which includes Windows Server OS, DC Role, SQL Server and SCOM 2007R2. It includes some usefult tunings hints which might be useful!
http://ops-mgr.spaces.live.com/blog/cns!3D3B8489FCAA9B51!2271.entry?wa=wsignin1.0&sa=947412494
