A little research got me answers to a couple of my questions. Unfortunately, they ain't pretty. The money factor is esp. shocking:
2009 Nissan 370Z
24-month | 15k miles | residual 66% | .00335 base money factor
36-month | 15k miles | residual 57% | .00335 base money factor
2009 Nissan 370Z Touring
24-month | 15k miles | residual 63% | .00335 base money factor
36-month | 15k miles | residual 55% | .00335 base money factor
I found this info here:
RIDE with G
Great site.