I have had the TL-S for a week now and I love it. I'm sure a sports car purist would find plenty to gripe about, but it's NOT a sports car, it's a sporty sedan. And as a sporty sedan the TL-S excels. The engine is excellent with lots of low end torque and a wide power band. Handling is crisp but will not rattle your teeth loose. The interior is very well laid out, quiet and comfortable. All in all, it's as near perfect as a car can get.
The navigation system is neat and seems to pick the best routes. The stereo is also very good and I love that it plays MP3s from CD or DVD.
I seem to be having an issue with the memory settings for the seats. Also the engine is so quiet and the noise cancellation works so well that it is sometimes too quiet. This makes it a little difficult to get audible input as to what is happening with the drive train.