What is the difference between Forefront Threat Management Gateway 2010 Standard and Enterprise editions

Feature Standard Enterprise
Processors Supports up to 4 CPUs Unlimited
Memory Supports 2GB RAM Unlimited
Network Load Balancing No Yes
Cache Array Routing Protocol No Yes
Enterprise Management Console No* Yes
Must license all virtual CPUs in addition to physical CPUs Yes No
Can be moved to any server in a data farm Licenses are assigned to a physical server and can only be moved once every 90 days At any time