Rake it. Nose down it will have better compliance to the Template.
How much are you willing to extend the length front or rear? I mean, if you had one. A bullet nose (carved back or added on), belly pan, rear diffuser/boattail, and work on the wheel wells would return dividends.
There's a pretty heavy shadow under the rain gutter on the A-pillar. Here's what the Porsche 911 folk do:
http://www.gerrelt.nl/section-aerody...windnoise.html
They claim 5 km/h more top speed. I don't know what that translates to in Cd, but it will help with wind noise at the very least.