I have a question for all you box building folks:

I am having a hard time finding a good balance because of the music I listen to. Had a box built, but I'm not happy with it after a month. I'm a SQ kind of guy, but I love the rumble of my R&B and Gospel music. I also like the hard kick bass hit on those days when I wanna hear some rock. I can't have a sealed and a ported box (can I?) since it has been ill advised. I have plenty of trunk space (Chevy Trailblazer 4-door). What are your opinions?
Driver: Infinity Perfect 10DVQ powered with a RF T-4002 bridged (512 watts RMS)