If it ain’t broke don’t fix it is a commonly heard axiom.  However it doesn’t apply to the Cloud Computing  conversation.  Companies (and consumers) considering moves into the Cloud are always faced with practical reasons to change, not the least of which are cost and energy.  regardless of the motive, successful companies weigh the pros and cons while they plan effectively.

Moving To The Cloud, Pros And Cons | CloudTweaks.com – Cloud Computing Community