The current state of my AV and Arduino Setup. Parts list below:

Comptuer Hardware:

MacMini (A1176)
500 GB SSD Hard Drive Upgrade
Apple DVI to Video Adapter (M9267G)
CarNetix CNX-P1900 Power Supply
Wide-Angle Webcam (ELP-USB100W05MT-BL36)

Arduino Hardware:
Arduino Uno
ELEGOO 8 Channel Realy Board
Various Multicolored Dupont Wire

Audio Hardware:
Rockford Fosgate Punch PBR300X4 (4 Channel Speaker Amp)
Rockford Fosgate Punch PBR300X1 (Mono Subwoofer Amp)
6W3V3-4 - JL Audio 6.5" Single 4-Ohm W3V3 Series Subwoofer
Ford Factory 6" Subwoofer Enclousure


Keyboard Interface Hardware:
Ultimarc I-PAC
3 MOM - OFF - MOM Toggle Switches
Hookup Wire

TV's:
Front BT-S900y
Rear BT-S700n
Automotive Relays and Holders

Misc Hardware:
RadioShark USB Radio Tuner
Mac Mini IR Remote
Rii Mini X1 RF Mini Wireless Keyboard
Viper Remote Start System

Software:
Custom Adobe Flash Projector File
Serproxy (For Arduino-Flash Integration)
RadioShark Software (FM Radio Tuner)
"Line In" Software for Mac Snow Leopard