I too will tell you that keeping them in sync is going to be a hard task.
Do you have SAN drives on these VMs? If so, you might look at a nightly job to sync the data up, so you get a fresh copy daily rather than continously syncing.
Jason Carter
Tampa, Florida
"Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young" - Henry Ford