Thanks for everyone's comments.

I'm actually looking at a 2004 or 2005 G35. Not the newer G37. I was actually holding out for a Ivory Pearl one but found a 2004 with 30k miles and certified extended warranty. It's silver so it's not my favorite color but this has been the best deal I found.

I actually don't like the G37's subtle changes. I love the looks of the G35 and stock performance is good enough for me until I get the turbo...