Here ya go, FWIW:
http://www.reefcentral.com/forums/showthread.php?threadid=1049911
I'm not sure about the fish tanks, either. I never got a dorm because an apartment was only a little bit more a month (campus housing is expensive... I think an apartment was only $50 more a month and gave me my own bathroom and bed room and a shared kitchen/laundry).
I think driving is allowed your first year, but I'm not positive. I transferred in as a Jr. You'll have to check on that and fish tanks at orientation.
Don't forget... the dorms are tiny little rooms. It may be up to your roommate as well...
Not sure what kind of recommendations you're looking for, but driving to me is almost a must. Thats just because I have too many interests to be stuck somewhere.

Your parking permit is included with tuition, though, which is good because its like an extra $250-$300 at UTK (maybe fishdoc can tell us

). At least it was a couple of years ago. Personally, I can't think of any cons driving... but again I have a lot of interests and would be absolutely miserable not being able to drive places.
John is right about raider xpress. Use it! Parking is a bit of a pain at MTSU because so many students do drive. So not living on campus means you'll need to allow for extra time.
As far as other things, bring a bike if you can. It makes campus travel much easier, IMO. Also, you should join MTRC!

If you're not driving, I don't mind at all to pick you up to go to meetings and wouldn't mind having someone to go to different fish stores with me as well every once in a while.

I live like 3 minutes from campus and I work in the library.
MTSU is an awesome school. What are you majoring in?
You're about to have the time of your life! Just get ready to feel like a freshman in high school all over again... lol. I did, anyway. I didn't know where much was and it was all new, but Murfreesboro is great and so is MTSU. Not to mention MTRC!
Brandon