Eaton Center - Urban Eatery - Sushi to go! It's fast and easy. All the sushi are pre-packaged, so you just have to pick one out. They come in different sizes and varieties. Some are nigiri only, some are specialty roll only, and some are a combination of both.
I went with the spicy salmon roll, which was pretty good. It was on the pricey side for $11, but if you're craving sushi, it does hit the spot. It was filling and I could barely finish it. I tried the salmon nigiri that my cowoker ordered, and it was pretty fresh. Yes, it's not as fresh as the sushi you would have at a restaurant, but it's much better than the pre-packaged sushi you'd find at the grocery store.
They also give complimentary miso soup, which was also good and full of tofu and seaweed. I wouldn't come here specifically for the sushi, but if I were in the Eaton Center craving sushi, I'd come back here. This restaurant is located in the back corner of the food court. When I was there, I hadn't realized it's also a full service restaurant if you want to dine in. However, from the reviews about the slow service, it's probably a good thing I did take out.