Citrix have released a Windows 8.1 Optimization Guide for VDI which is a very useful read.  The savings encountered by performing these optimisations are considerable.  In summary the savings vs a non optimised image are below.  You can find a link to the download here – http://blogs.citrix.com/2014/03/03/new-windows-8-and-8-1-optimization-guide/?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+CitrixBlogs+%28Citrix+Blogs%29 Metric Default Optimized % Gain Hypervisor Level Total …