Can I get upgrade price, even though NIS 4 isn't on my system any more?

Norton 360 for Mac
1

I posted this question in the beta forum, but it hasn’t been answered. http://community.norton.com/norton/board/message?board.id=NISNAVMAC_PB&message.id=436#M436 Details about my dilemma are in that other forum. thoughts? Thanks, Vince.