83 GMC I need stereo help

[nlauffer]

I am still trying to redo the interior of my pickup, but I need to figure out what else to use for the sound system so I can integrate as I go.

It is a regular cab pickup and it is mostly bare interior. It will be mostly stock. I already have installed:

CD player - Sony CDX-GT250MP In-dash CD/MP3/WMA & AM/FM receiver
Peak Power Output: 52 watts x 4 channels
RMS Power Output: 17 watts x 4 channels

I have Kicker 3.5" speakers in the factory dash locations.

6X9's in factory 4x10 panels in cab corners -
Pioneer TS-A6964R A-Series 6"x9" 3-Way 400 Watts

I have bought FatMat sound deadener for the entire cab, doors, including under headliner, and on back cab wall. I want to add a small amp to run the 3.5"'s and 6x9's and add a shallow mount Pioneer 10" in box with amp.

I am looking at this for sub and box-
Pioneer TS-SWX251 10" Flat Subwoofer with Enclosure 800 Watts
And maybe this for the sub amp -
Pioneer GM-D7500M Class-D Mono Amplifier with 800 Watts Max. Power

I don't want a system that will vibrate the whole block when I pull up. I want to be able to hear nice bass and clean sound.

Here are some questions:

Should I restrict the 3.5's to mids and highs or just highs?
Should I add a 6.5" component system with tweeters?
Will that amp match the sub well?
What amp should I run with the 3.5s and 6x9s? Specific would be great.
Should the 6x9s be in boxes or open back?
Should I ditch the 3.5s and 6x9s for 6.5" components in kick panel and tweets in upper front of cab? I mean those interior panel pieces next to the door that hold the tweeters you can get now.

Any help is great.