a relative is sending us (2 adults, 1 baby, 2 seniors) on a 7-day hawaiian cruise on norwegian, and i was checking out cruises.continental.com. we're getting 2 rooms. we might be able to get the rooms about $100-200 cheaper per cabin on cruiseshopping.com, but obviously we wouldn't get the mileage, which seems to be about 12,000 miles per cabin. so is 12000 miles worth $100-200? we're mostly interested in using the tix for travel, incl to europe, rather than upgrades (though i'd like to upgrade atleast once and see what it's like.)