Предлагаю набор ссылок на документы про продукты из линейки VMware vSphere 5:
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
What’s New in VMware vCloud Director 1.5 Technical Whitepaper
What’s New in VMware vCenter Site Recovery Manager 5.0 Technical Whitepaper
What’s New in VMware Data Recovery 2.0 Technical Whitepaper
Полуофициальные презенташки
http://wcc.on24.com/event/32/28/02/rt/1/documents/slidepdf/what_s_new_in_vsphere5_and_heartbeat_customer_presentation.pdf
http://wcc.on24.com/event/33/43/99/rt/1/documents/slidepdf/cloud_infrastructure_licensing_v2.pdf
Очень много ссылок на ангельском
http://vsphere-land.com/vsphere-links/vsphere-5-links.html