All prices in CAD, but I'll do the lovely google conversion at the end to give a total in USD.
Head unit (going in on the weekend): Eclipse CD8455 - Paying $600ish, retail $800
Sirius tuner: SIR-ECL1 - Paid $0, retail $250 (remember, it's Canada, we don't retail this stuff up here)
Front amp: Phoenix Gold Tantrum 300.2 - Paid $150, retail ??? (let's say $300)
Sub amp: Phoenix Gold Tantrum 1200.1 - Paid $425, retail ??? (let's say $1000)
Line driver: Phoenix Gold TLD66 - Paid $150, retail $300
Subs: (2) Phoenix Gold Xenon x10d2 - Paid $0, retail $400 each
Front speakers: Hertz HSK165 components - Paid $0, retail $450
Battery: Exide 34XCD - Paid $150, retail $180
Battery terminals: Phoenix Gold TMC - Paid $100 for the pair, retail $200/pair
Circuit breaker: Phoenix Gold 140a - Paid $20, retail $70
Power wire: Raptor 1/0, 4 and 8awg - Paid $125, retail $250
Distro blocks: Phoenix Gold Tantrum - Paid $100 for the pair, retail $200/pair
Cap: Stinger 1 farad - Paid $180, retail $180
RCA's: (2) Stinger Expert 17', (2) Stinger Expert 3' - Paid $80 for all, retail $250 for all
DVD player: NESA DVD-8000 - Paid $0, retail $300
Screens: NESA NSV-6523 - Paid $200 for the pair, retail $900/pair
Various (connectors, speaker wire, loom, wire tires, install materials, fuses, other stuff I forgot etc): Probably about $500
So out of my pocket I am in it for approx $2780 CAD ($2345 USD), not bad.
Retail total: $6930 CAD ($5848 USD), yikes. Add 14% tax and it comes out to a healthy $7900 ($6666 USD).
Too much audio