Last year (2010) I created a video about App-V 4.6 Read-Only cache, when and how to use it. Along with the video there was a post on AppVirtGuru.com.

The video is available on the Norwegian Microsoft TechNet Edge website here:

http://technet.microsoft.com/nb-no/edge/Video/ff949887

The corresponding post containing all the necessary steps is available at AppVirtGuru.com here:

http://www.appvirtguru.com/viewtopic.php?f=14&t=3571&start=0