While some VMware vSphere client plug-ins significantly change the vSphere client functionality, many others create a new tab but (as you might have noticed) really just show a Web page in the tab.

The VMware vSphere Client is a web-based application that connects to the vCenter Server so IT administrators can manage installations and handle inventory objects in a vSphere deployment. vSphere ...

Since a lot of you guys seem to be ESXi users I figured you could help me with this. There seems to be a lot of confusion (either that or I'm just retarded) over the status of the vSphere 4.0 client ...