We used the ddp at Teppanyaki last week so I can share that experience (sorry, can't help with the dh situation!) We were me, dh, dd10 and ds7 and our bill came to $145, a good value on the ddp considering that we were paying $125 per day. Appetizers were a choice of the salad with I think a ginger dressing (dd got this but ordered it without the dressing), a miso soup, seaweed salad or edamame. A small serving of seaweed salad is included free of charge (we all really liked it except ds). Sushi can be ordered a la carte (we did get one combo roll to share, as my dh loves sushi). Dessert was a choice of several kinds of ice cream, fresh fruit (I got this and it was pineapple) or ginger cake. I don't recall seeing lobster on the menu, and our waitress didn't note any exclusions so maybe they just took it off. Kids had a choice of a $12 chicken or shrimp meal, which was served with rice and the same veggie/noodle combo the adults got and included dessert, or a simpler (and less expensive) chicken meal that came with rice and the typical kids mixed veggies (cubed carrots, peas, corn, etc.) that may not have come with dessert.
Our kids loved it, but they have been to a Benihana before. The meats are very simply prepared and the rice is plain, so I think its a good way to go for kids. I think it can be a good value on the dining plan, unless your dh doesn't eat.