This document discusses optimizing and troubleshooting virtual desktop infrastructure (VDI) images. It recommends building VDI like Frankenstein by using good parts without any abnormal parts, measuring carefully, and maintaining supportability. Key aspects for a good VDI include a solid network, reliable storage not like a black box, and upgradable server infrastructure. Images should be specifically made for VDI. The document also analyzes Windows 7, 8.1 and 10 for VDI, noting pros and cons of each, and emphasizes optimizing for performance and user experience across all versions.