I haven't been going out much since moving to Dallas, perhaps 1-2 nights a week and usually only Friday/Saturday. During that time, the only place I've found that has decently attractive women is the Uptown area. Here are the places I've seen the best talent on Friday/Saturday imo:
Black Friar, Reinfields, Sfuzzi, Idle Rich Pub, Trophy Room, Hotel Zaza (more cougars and working girls though) Kung Fu Saloon, Concrete Cowboy, 6th Street, basically anything around McKinney Ave.
After 2am if you've not pulled, most of the strip clubs that are open until 4-5am allow another couple hours to game. You can target strippers/waitresses and some of the places like Jaguars or Fair Room have parties (raves?) where a lot of young kids on drugs show up and party until the wee hours of the morning. These are decent places for last ditch efforts if all else has failed, quality can be a little sketchy and you might run into some trannys, so keep your head on a swivel.