You will love using your tv as a monitor, as i do using my 32 hdtv as my monitor. But i bought a video card with hdmi outputs to plug in my tv, and for movies.
I just wanted to add this, at slamology a 300c with 4 fi btls on 4 saz 3500s, had 5 lays of fatmat on the roof and 3 on the doors, 2 on the floor. When he sealed his car up, you could not hear any bass at all.
The corporate 10 isnt the great of a front end, people blow them to chucks when add lockers etc.. I would go with a dana 44 front and 12 bolt rear or 44. Im into 4x4 pretty big time grew up around them.
You could just get a straight axle out of a jeep cherokee, and put it under the truck gain 4in of lift, then buy new rear leaf springs, since you said you are a fabricator.
sealed is more for sq. As ported is more of a spl. Sealed you can achieve tighter bass. As for ported you will noticed a gain in sound to where to tune the box to, mostly ment for lower bass, and move more air.