"There are reasons aplenty to stick your head into Cloud Computing, says Forrester Research Inc. analyst James Staten. IT can't keep up with the demands of the business. The best Web services companies have maxed out their data centers for efficiency, and those babies can handle almost anything you throw them. You pay by the drink. You are free of long-term contracts. Most cloud vendors let you come and go as you please, Staten said. And all you need to do is log in."

But is cloud computing ready for enterprise computing. This article examines that question.