No, this is not a joke. If you go and download the newest Opera Mobile version, build 2808 and up, and install the flash 7 activeX DLL you will be able to browse and view flash videos. Performance isn't as great as you might want ideally, 7-12 fps-ish, but it is definitely a start. For a related article on this matter, and a full tutorial on how to get this working on your Windows Mobile device, check out this gadgetmix article.