We wouldn't cross town for it, but New York, New York has a vaguely diner-like feel to it (although it's more Addis than Queens) and does pretty good burgers, as well as steaks, pasta and a handful of Ethiopian dishes.
New York, New York
Addis Ababa
Rico’s Restaurant, Pizzeria & Bar
Sana’a Restaurant
Jewel of India
Ethio Supermarket
Makush Art Gallery & Restaurant