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Guys, It's Really Not That Bad ...
There's a tight enough community surrounding SMU that you don't really need a car if you don't have one. Parking's obnoxious anyway. There is also a bus line called the DART (You can get a semester pass for $5). It stops really close to campus. Lots of upperclassmen live across the highway along Mockingbird. They'll walk the whole way or hop on the bus for a bit.
Some people may complain about transportation. But it's just because they don't realize how lucky they are. (I've kind of attended multiple colleges before this one.)