I would say no, because in X5 the content does not reach the borders of the screen since it works with fixed width content.

The video background should not be that hard to implement as an option to put custom code in background header template area, but I guess the devs haven't considered it yet.

i thought the professional will have the tools for it. Most websites of nowadays are done in such a manner and its time for incomedia to step out from their shade and give us what is recent rather than outdated designs.