Yes indeed, some changes to the ELA could be in the works for those of you that venture into the Cloud. About the offering… ArcGIS Server Cloud Bundle is an annual subscription to a preconfigured deployment of ArcGIS Server Advanced Enterprise running on a 4-core Windows Server 2008 virtual machine in the Amazon EC2 cloud infrastructure. According to ESRI the bundle includes
* Deployment of the annual ArcGIS Server Advanced Enterprise license on a virtual 4-core EC2 server based on the following configuration:
o 2.0 GHz processor per core
o 15 GB of memory
o 1,690 GB of storage
o Microsoft Windows Server 2008 64-bit platform
* Documentation including a deployment guide and best practices
* 12 months of ESRI technical support and maintenance
* Online help
See the official announcement HERE