Here are a number of vSphere 5 resources I am putting together on the release of vSphere 5.

How Tos:

vSphere 5 How To Part 1 Install ESXi 5.0

vSphere 5 How To Part 2 Install vCenter Server 5.0

vSphere 5 How To Part 3 Install vSphere Client 5.0

vSphere 5 How To part 4 Configuring vCenter Server (Creating a Datacenter, HA DRS Cluster and Adding a Host)

vSphere 5 How To Part 5  Install vSphere Web Client (Server)

vSphere 5 How To Part 6 Install Update Manager 5

VMware vSphere 5 Product Page

http://www.vmware.com/products/vsphere/overview.html

Compare vSphere 5 Editions

Whats New In VMware vSphere 5?

Whats New In vSphere 5 Overview

What's New in VMware vSphere 5.0: Platform

What's New in VMware vSphere 5.0: Storage

What's New in VMware vSphere 5.0: Performance

What's New in VMware vSphere 5.0: Networking

What's New in VMware vSphere 5.0: Availability

vSphere Licensing Advisor

vSphere Licensing Advisor Info

vSphere Licensing Advisor Tool Download

Documentation

vSphere 5 Licensing Must Read

vSphere 5 Download Link

http://downloads.vmware.com/d/info/datacenter_cloud_infrastructure/vmware_vsphere/5_0#product_downloads