There have been a few other Dallas poolhall threads you can check as well. I'm in Frisco, which is a few suburbs to the north of Dallas, just north of Plano.
I like the Billiard Den, which is in Richardson (near 75 and Arapaho). Good mix of 9 foot, 8 foot and 7 foot tables. Two 10' snooker tables too. Large place.
Hawleys, near the North Tollway and 635 is another. I like Hawleys and the owner, Walter, but unfortunately the bad element has been moving in more and there have been a few incidents there recently. Four 9', six 8', and one 10' snooker table if I recall.
In plano there is Rack Daddy's, on Preston a little south of 190. Twenty or so 8-9 foot tables.