New
#11
as people said the only difference on the dvd itself is the ei.cfg which is checked on install and the key...
the most important stuff (install.wim among other things) is still the same
there is a article on Paul's site where if for some reason you had a genuinely licenced win xp, vista and i believe 2000 you can do a clean install from a upgrade media and let that install allow the key to activate...
so pretty much if you are not able to activate install you can try this....
http://www.winsupersite.com/win7/cle...rade_media.asp