Yanner- you have very nice equipment there, i like how your mdf home made sub box looks alot like the one pioneer makes with the same sub!
i sell those all day at my shop for 179.99.
great choice on the Audio Control product! they are waaaay better than those cheap line out converters, if i can ever hook anyone up with the audio control let me know.
also do you have any final install pics? id love to see a nice clean finished install?