Check out
http://www.dallasobserver.com, you'll find some good info there.
What is the general age of your group. That might help determine what would be the most fun for you. We wouldn't want to send you to a hip hop yuppie club if you're in your late 40's, I doubt y'all would enjoy that.
A lot of stuff is always going on in/around Victory Park (American Airlines Center)
Gat-Splat can be pretty fun if you're into paintball. It's about 15-20 min from where you'll be at.
You might think this is a gay suggestion, but if y'all are down on getting some spa time in, Spa Castle is pretty legit. I went there on a Saturday at about noon and chilled in pool area and there was quite a few hotties hanging around getting drinks. I believe its a hot spot for bachelorette parties before they go out at night. It's also a hot spot for couples though. I was there with my lady, I still couldn't help but to notice the ladies in bikinis. Again, Spa Castle is a about a 20 min drive though.