The July issue of Raod & Track tested:
1st G35
2nd 330i
3rd IS300
4th or 5th A4 3.0
5th or 6th TL-Type S
Mercedes
Cadillac CTS
Jag 3.0 X
11th Lincoln LS
Can't remember the others (mag's in the car).
They basically said all were great cars. The LS' problem was the lack of umf from the V6.