I came real close to buying a G37. I was dead set on getting one. In the performance/luxury segment it really is the best bang for your buck.
I rented a G35 sedan for a week to get a feel for it while waiting for the G37 to hit the market. I was pretty impressed with it. I took it on a couple of 300 mile drives and found it very comfortable. It had a decent amount of HP (the 305 HP version) and I had no problems with passing on mountain roads.
I've heard the clutch can be quite finicky on manual equipped cars, but the one I drove was an automatic. Most of the cars I've owned have had manual transmissions and that's what I prefer. But I actually liked the automatic in the Infiniti and if I'd bought a G37 I likely would have got it with an automatic.
So why don't I have a G37? Well, I found out that you could buy a used Z06 with almost no miles for less than you would pay for a G37. So here I am