An afternoon spent on Miataforum will yield a wealth of information. The guys/gals there seem to be very helpful. You can even post specific vehicles and ask opinions.
The 'This American Life' account (linked in the article below) of a similar situation was outrageous:
http://www.eastbayexpress.com/LegalizationNation/archives/2012/02/23/this-american-life-attractive-undercover-cop-poses-as-student-and-entraps-teens-to-sell-her-marijuana