Sounds pretty awesome man! The PDX lineup is awesome! Sadly, I know that problem when it comes to decks and usb's lol. I use a pioneer 80prs, and it sounds awesome, but the usb is clunky. At least you understand what good audio quality is. Many in here think a tiny speaker with even tinier drivers, can exhibit loud and clear sound.Amp: Alpine PDX-V9
Sub: Alpine SWR-8D4
Front Speakers: Focal Access 130 AS Component
Rear Speakers: Focal Auditor RCX 130
Deck: JVC KD-R900
All in a 2011 Subaru Impreza. Yah, you're probably thinking 'that's a pretty good setup but why a JVC deck?!' Well.... it's the only one that let's me plug in a USB drive and have all the files and folders show up in alphabetical order and let me scroll through the list of items real quick. I don't use a phone via bluetooth for music cuz I prefer to slap a USB drive into the deck and leave it. I've got a small 64gb samsung (link) drive thats barely bigger than the connector itself. It's small, discrete, I don't need to turn on bluetooth, don't need to fiddle with the phone and it starts playing when I turn on the car. SIMPLE.
Have you ever heard of hybrid audio? They are relatively new, but have some awesome gear. I'm considering pulling all 6 of my 8" midranges, and going with them, and probably upping the power on my 18's when I get a good deal on some lithium batteries to replace my agm's.