http://www.actionreactionmma.com
http://www.linmartialarts.com
http://www.teamumac.com/
Here are some places that are probably much closer to you.
What I would recommend is not committing to any long term membership until you know you really like what you are doing. A 1 week trail or anything like that is not enough time to really know if its for you or not - or maybe it is if you immediately dont like it. If you can try to just get a 1-3 month membership at first.
If your main goal is fitness, combat sports are good for it but with a caveat - More injuries!
I have trained several different disciplines and at the moment train Muay Thai and Kali and I find that my joints especially my knees and ankles, sometimes shoulders are really taking a beating as a result of regular training. This sometimes impairs my weight training and conditioning so thats a negative. As I type I also have bruises all over my legs from taking leg kicks and giving them out and I just recovered from a shoulder/rotator cuff issue only to now have some issues with my left elbow that got kicked really friggin hard the other day.
Aside from that, I say go for it. Try different classes and see how it goes.