I'll make a copy of the sheet and post tomorrow, but, the deal is this. Your point total on that cruise dictates your two offers. One offer is if you book while you're still on board, the other offer is if you wait to book. So, with 2000+ points, my two options were book an interior & OBC on a list of cruises if I booked on board, or $500 off any cruise if I waited till I got home.
My DS got over 3500 points and he was given an Oceanview & OBC if booked on board or $750 off if he waited. The list of points needed for each option is at the Casino Host's Desk......