That looks like the price they used to offer to paid/registered users of previous versions of the software. I used to update Lightroom (LR) when a new version came out since they offered this discounted package to people who had purchased a registered copy of LR previously. With iteration 6, I have observed no such opportunity, so I'm likely going to wait until version 7 arrives to see if there is enough added to make the purchase worthwhile.
WM