That looks really good. I like your faceplate.
I installed an AVIC-D3 in my '02 BoxS last April. I ended up putting it low in the dash because of the weight.
I have a few questions for you:
How did you make the custom brackets?
What exactly did you use to make your faceplate? I must say it looks much better than mine. I used stretched black vinyl over fiberboard.
Did you install the BT and iPod adapters? I did and the Avic works great with an iPhone.