I'd like more as well. I may work on this. I don't especially like the boy racer A pillar look. I'd go more for something subtle under the audio or dash.
With the side curtain airbags, I think the actual explosive device is behind the panel that says SRS, but part of the airbag is behind the A pillar. If you look at about 1:28 in the video in this thread you can kinda see that it comes out of the A pillar moulding.
Running the torque app on my phone. App and obd2 bluetooth adapter was under 30 bucks.
Samsung galaxy mega with 6.3 screen. You can customize the themes/ background and put the gauges where you want on the screen.