It depends. The decision to move some or all IT functions to the Cloud is never easy. When considering Cloud computing some basic questions to ask are: Will it really save money? Does our software give us a competitive edge? Are there legal or regulatory issues? How accessible is my data?
Many companies are testing the reality of Cloud by moving low risk/low impact applications like Test and Development environments to the Cloud. The Cloud is also popular for utility applications like email and payroll where it is it hard to deliver unique value.