Well that's a question!!! :o)
Recently the Microsoft IT team delivered a number of great case studies showing how “we” Microsoft do app-v internally! Its a great read and really shows how a large organization like Microsoft has really used App-V to assist us in moving quickly!
Microsoft Application Virtualization: Sequencing Applications for Deployment at Microsoft Application Virtualization (App-V) sequencing consists of application categorization, package engineering, and dependency management. Thoughtful sequencing maintains the performance and functionality of virtual applications, resulting in a positive end user experience. This content provides an introduction to the tasks and standards that Microsoft considers when sequencing applications. Added: Wednesday, 20 May 2009
Architecting the Virtual Application Infrastructure at Microsoft Microsoft is evaluating Microsoft Application Virtualization 4.5 (App-V) as a method to lower application management life cycle costs. App-V 4.5, in conjunction with Microsoft System Center Configuration Manager 2007 R2, provides an infrastructure for deploying virtualized rich client applications within an enterprise environment. When planned carefully, the same tools can be used to deploy a virtualized application that would normally deploy a desktop application. Added: Wednesday, 20 May 2009