From how the placement looks (and how it is likely to sound), my vote goes for option 3. But won't this placement affect visibility? Maybe if you aling them along the slope of the A pillar (like that lime green VW Beetle2 install) it will work without affecting visibility thaat much..
Option 2 is also likely to sound as good, but won't it intrude into cabin space a lot? I'm looking at the pics on my phone, so I maybe mistaken, but the tweet and mid look to be using up about 6 in to 1 foot of cabin space because of the angled mounting?
Definitely NOT Option 1 -- the tweet and mid are placed too far apart IMHO.
__________________ Alpine 9887 | TRU Tech S44 | Image Dynamics XS65 | Image Dynamics IDQ12 D2V2 | Connection Audison |