I purchased a laptop in November. It came with the Vista coupon for Vista Premium.
In December I purchased a copy of XP-Media Center. I was under the impression that merely purchasing the copy of XP-MCE would get me a coupon for Vista Premium at launch.
I was wrong.
You absolutely needed to purchase a new PC.
Well, I went to the site where I filled out the stuff for my laptop, I added 1 to the serial number of the laptop I had purchased, used the new XP-MCE key and a bunch of months later I have 2 copies of Vista Premium.
At first I thought my install to the PC was fucked. The install discs they sent me didn't seem to allow for a straight up put the disc in and install a new version of Vista.
What I did was go into the newsgroups and download a copy of Vista Ultimate. When I use that DVD that I created along with the keys from the 2 versions I bought I was gold. They installed no problem from that DVD image.