Got through to Dell Chat to try and see if I could get the Windows 7 upgrade on my revolving Dell credit account. They don't have that option on their payment page, though. The only way is to submit a new credit application, which affects your credit rating.
How stupid is it to have a credit account and not be able to use it? I've got TWO like that! I've got a store card, and the credit company has stopped doing business with the store, leaving me with "available credit" that is unavailable