Driven all of them. 911 wins. SLS is a close second. All opinions stated below are based on my personal experiences.
My "Best to Worst" on the track:
1. 911
2. SLS
3. GTR
4. Corvette
5. 458
6. F430
7. R8
8. Gallardo
9. DBS
...and my "Best to Worst" on the street:
1. 911
2. SLS
3. 458
4. F430
5. Gallardo
6. R8
7. GTR
8. DBS
9. Corvette
My "Best to Worst" on the track:
1. 911
2. SLS
3. GTR
4. Corvette
5. 458
6. F430
7. R8
8. Gallardo
9. DBS
...and my "Best to Worst" on the street:
1. 911
2. SLS
3. 458
4. F430
5. Gallardo
6. R8
7. GTR
8. DBS
9. Corvette