Cloud computing is arguably the single most important trend to hit the IT industry in years. It's not only forcing established vendors to change their game plans, but the cloud revolution has created opportunities for a whole new generation of emerging vendors. While there have been fears cloud computing would disintermediate the channel, many of these startups recognize the value solution providers bring to the table. So check out the hottest startups in the cloud computing and managed services segment from the Emerging Vendors list for 2013.