At 5800¥ for a full day passport per person at DisneySea, plus the 500¥ per person monorail ride both ways, and the theme park prices for the food, I'd say Disney made the most money out of me this trip so far.
Still, DisneySea was a pleasant way to spend a full day out, even for a jaded theme park vet like me.
I tried most of the major rides. Because the wife is no longer the young fearless adrenaline junkie she used to be, I had to make sure the rides had no major dips that would render her nauseous. Once I verified that the rides were wife-safe, we queued again to ride it together.
Some rides were pretty obvious and safe, like this Sinbad ride which was like It's a Small World but with an Arabian theme.
Others were named to spell the scare factor out for you, like Tower of Terror. I did not find it very scary and wished the free fall lasted longer but it was pretty much the scariest ride in DisneySea. Besides, Disney rides are usually tame anyway but you have to give them credit for the packaging and experience.
DisneySea is lovely to behold by night. The attention to detail for the architecture is a treat too. Even if the rides don't interest you (and it can get annoying when almost everything is narrated in Japanese), it is fun just to admire the beauty of the park.