There is a place called survey and co which is lovely. Otherwise fortitude valley is very nice for restaurants in Brisbane but it is a taxi ride away! Hope that helps!
Seasons is our favourite restaurant. Across the road on the beach.
The restaurant at the Hotel is very good :)
HiYes if you just head down then escalatorthrough the train station and further down you shall find lots of great eating spots including a few nice food courts.
There are more than few around. Some good chains such as Grilled for example