Virtual load balancer instances on higher-end units

We would like to have more than one load balancer instance (with separate sets of WAN and LAN ports) on the higher-end units to take advantage of the higher port density. For example, a 710 could support two “3 WAN + 1 LAN” virtual load balancer instances, and a 1350 could support up to three or four, depending on port assignments. They should all have separate routing, DNS and load balancing rules, and behave as if we had separate smaller appliances.