Done by a local shop I trust... plus Weedahoe's custom Double-Din setup for our trucks. I went with a Kenwood Double-Din receiver, JL900/5 digitial amp, JL 12" subs in a custom box (covered in black vinyl), and Focal K2 components in the doors and flush-mounted tweeters in doors. Boston Acoustic 5.25"s in the back panels for rear fill powered by Kenwood head unit. Bluetooth setup, USB port, audio port, and IPOD connectivity... its all integrated for easy setup and use.
Simple and clean are _exactly_ what I was going for, so it is good to hear that was your first impression. I'm in my early 40s... I don't need a ton of attention. It's for my ears and enjoyment. They wanted to do red LED's around the amp/speakers... which I am sure would be come cool "bling", but that is just not my personality. The button activates the bluetooth. The Kenwood DD has built-in audio commands, too, so that is kind of cool. My phone syncs up right away when I turn everything on. I like the hands-free setup... never had that before.