74 Dart Sport Hang Ten project

My next project for my car will be one of two things, but I need you guys to decide PLEASE....:prayer::newb:

I either want to start on my rear end, which includes finding an 8 3/4,shortening it, rebuilding it with a locker and 3.93 gears, and getting new rims to fit the new bolt pattern. If I went this route, I could get my ladder bars in and rape and destroy all those stupid mustangs and Camaros who think theyre so cool:finga: On top of that, then I could start working on the tranny as well. Thinking A-833, or TKO-600. Both really big projects but worth it in the end.

OR!!!!!

Redoing my sunroof, which means pulling down the roof, cutting out the rusted spots, and re-weld new strips of sheetmetal in place. If I did this route, I could start working on sealing the rest of my car and working on the interior i.e. dash gauges, carpet, seats, dashboard, stereo, headliner, etc...

Please tell me what you would recommend next. Ive never worked with the rear end or body work before so both of these would be a complete learning experience and both have to eventually get done. Whatcha think guys???