Aside from the fact that 5 smoking section tables isn't enough, and the prices are a little above average ($15/meal) Omega is a wonderful place.
Their house dressing is a Greek oil dressing, and is by far the best out there. Make them mix it up so you don't get too much oil.
Tilapia Picante, despite its name, is not a spicy or salsa dish. I ordered it by mistake over a year ago, and now it's my favorite. It's tilapia with a white holandaise type dressing, with mushrooms & asparagus spears.
They seem to be known for their deserts, and although they're not bad, they look better than they taste. So just be aware.