Look, it's now possible to buy extra Vista licenses at 90% of the suggested retail price:

http://windowsvistablog.com/blogs/windowsvista/archive/2007/03/20/purchasing-additional-windows-vista-licenses.aspx

This is a very good move indeed. Also, praise needs to be given: this program will also be available in the EMEA countries. Looks like some people over there are actually doing something with the criticism. Great job!