Make SURE you are not logged in as "Guest" when you add P8 to your cart!!!!
Make SURE you log into your account BEFORE YOU ENTER YOUR SERIAL NUMBER!!!!!

I just added the serial after adding the item to the cart, went to check out, it asked me to log in -- and when I was logged in my cart was empty.

It is now not letting me use my P7 Serial number, so I can't buy it until I hear from freaking support.

Color me bloody annoyed as all hell here.

Silke