For audio I've got the AIWA CDC-MP3 head unit, which I love, I have such an extensive archive of mp3s it would take me forever to put it all to standard audio CD, not to mention my truck would lean from the weight of all those disks! 2 way Infinity's in the doors and rear (extra cab) running straight off the head, it's fairly powerful 45wX4 channels, then running rear preamps out to a sony amp under the passenger seat feeding a Vega 8D4 dual voice coil sub, which I custom mounted into the rear cargo hole under the passenger side jump seat (where to road tools used to go), it sounds really good in there too, and I didn't have to sacrifice my 'little' back seat to a speaker box, I have 2 young sons that will fit perfect back there in a couple of years! Next comes minor engine mods and some body/suspension work, gotta get that bad boy down to earth!