Virtualisering

boche.net - VMware Virtualization Evangelist

Gabes Virtual World

LucD Notes - PowerShell Ramblings

NTPRO.NL

PowerWF - Visual Powershell

Scott Lowe - virtualization, storage, and servers.

The SLOG - SimonLong/Blog

The Virtual Storage Guy

Virtu-Al.net

VM/ETC

VMGuru.nl

vminfo.nl

VMware ESXi Chronicles - discusses VMware ESXi features, support and highlights.

VMWare Tips

vSphere-land

Yellow Bricks - is a personal Blog about virtualization(mostly VMware related) maintained by Duncan Epping.

PowerGUI

Ultimate ESX Whitebox - Find hardware for your own VMware ESX whitebox

vCheck (Daily Report)

vm-help.com - the Unofficial VMware ESX Server Whitebox HCL.

VMwareTechPub's Channel on YouTube.com

Citrix Community Blogs

Citrix XenServer

Xen Community