I'm not sure how far you want to drive, but it doesn't look like the Flying Saucer in Fort Worth is too very far away from Arlington.
http://www.beerknurd.com/stores/fortworth/
It's not a brewery, but it does have a large selection of good beer. I'm not usually in the Arlington area, so I...
Adding lots of citrus is going to significantly drop your pH. Make sure you check the pH of your must and then adjust it up (with some Potassium Bicarbonate) if necessary. You're shooting for a pH of between 3.5 and 4.0 to keep your yeast happy.