Originally Posted by Norm Peterson

"Driving aggressively" can be applied to widely differing types of driving. Looking at other topics that you've participated in, it sounds like you're more into straight line driving than hard cornering, in which case I'll suggest something like -1°.

If you're at least a little into hard cornering, maybe -1.25°. For "never met a corner I didn't accept the challenge from", maybe -1.5°. I am guessing that this convertible isn't going to be autocrossed or used on the rad courses (Lime Rock, Thompson, or Palmer up in MA), so there's no reason for you to even consider anything beyond -1.5°.
Norm