I just purchased a '13 F250 a few weeks ago & I'm looking to do a few things to it. How many of you guys are running the Amp Research Powersteps? How are you liking them? How many of you are using the Bak Industries Tonneau covers? I see they've recently come out with a hard cover rollback. I think it's the Roll-X. Also, are any of you guys running any upgraded audio? I'm looking at either the JL Audio TW13 or running an 8W7 in the center console. Clean sweep, JL component set up front, 6.5s in back, Xtant 800/4, & JL 1000/1.