c9429b30_yper_V_VS_Citrix_Xen___My_Blog__Hypervisor_Attributes
[VMware ESXi 5.0] VMware Image Builder allows administrators to create custom ESXi images for different types of deployment, such as ISO-based installation, PXE-based installation, and Auto Deploy. Nothing comparable [Citrix XenServer 5.6 FP1] Nothing comparable [Hypervisor Attributes] 
Custom image creation and management
Comparison between Vmware VS Hyper-V VS Citrix Xen | My Blog
Hypervisor Attributes