Yes, it is different.

"Emory Tech" <EmoryTech@discussions.microsoft.com> wrote in message
news:5B7F38EF-A4B2-45BD-B380-9C74936C1AFD@microsoft.com...
>I hear that you can install any version of windows from any media but I am
> not seeing this option with the Enterprise Edition disk. Also I dont get
> the
> option to enter a cd key until after the Enterprise install. The only time
> I
> can is if I wanted to activate windows I see a section to change the
> product
> key. I wanted to test and see what each version of vista has to offer.
> Before
> I make a decision on which version to buy for myself at the end of the
> month.