NVIDIA GRID engineering have released the following video: https://www.youtube.com/watch?v=Ug12bQ5NW6M&
All this information is available in the official documentation. It covers common questions including:
· Where to find the .ISO
· How failing to update XenCenter can result in missing options to import Supplemental packs
· Best practice advice on shutting VMs down
Failing to see vGPU profiles can be a result of incorrect licensing see NVIDIA vGPU for XenServer is premium Citrix-licensed feature ( http://nvidia.custhelp.com/app/answers/detail/a_id/4115 ).
Citrix XenServer 6.5 and up
NVIDIA GRID vGPU including boards M60 / M6 / K2 / K1 / M10