vSphere 5 compare with vSphere 4

I have got the chance to play with vSphere 5 RTM release and rather than going through all the new features that can be found on VMware TV in youTube, I shall find some common features that are on both release and see the differences.
HA Admission Control Policy
vSphere 4
The Admission Control Policy for vSphere 4 as shown on the left in the percentage of cluster resources is fixed and irregardless of CPU or Memory the percentage is applied for both.
vSphere 5
In vSphere 5, notice that the percentage has be split out to memory and CPU. This updated percentage options, helps eliminate when you have like to specific different amount for CPU and memory with different tolerance.
Virtual Machines Options
vSphere 4
In the Virtual Machine Options, in was leave VM shutdown as the default value whenever Host Isolation is detected. Many of my customers actually thought this was the default value recommended by VMware and leave it as it is howeve...