The three things Dallas does really well are burgers, steaks and Tex-Mex. There are other good food choices, but they usually belong to a chain that has come into the area. (Pappa's, Maggiano's, Grimaldi’s, Nobu, Vapiano’s, Torchy’s, The Palms, etc.) Then you have wild cards like Il Cane Rosso that are great in their own right.

For steak, I think the other posters pretty much nailed it. It’s a tough call between Nick & Sams and Bob’s for me. If you want really good upscale pizza, Fireside Pies is a can’t miss. Tex-Mex is really subjective. My favorite in Dallas is Ojeda’s, but the neighborhood surrounding it isn’t ideal for your purposes. El Fenix is good, but I wouldn’t consider it “nice” with regards to the atmosphere though it’s certainly close to the Grassy Knoll. Avoid Dallas BBQ like the plague. Then again, if you aren’t from Texas, you may not know any better

If I had to narrow it down to the upscale, yet not too pricey, yet worth the money and near the immediate area, I would recommend Fearings at the Ritz. He used to be the head chef for the Mansion at Turtle Creek before he went off on his own. Excellent food and great neighborhood. If you want to kick it up a notch, Old Warsaw is a winner for the high end business folks. If you want to lower it a bit, Twisted Root is outstanding, albeit a little noisy.

P.S. It is “Book Repository”? 34 years in Dallas and I always thought it was the “Book Depository”. Driven past it thousands of times, but I’ve never gone to the Sixth Floor museum. I know that it isn't "Suppository"...