Headunit: Pioneer DEH P4050UB Headunit. $100 ($120 with harness)
Capacitor: Ebay 2 Farad Cap. $79
Amp for speakers: Sencor Class A 5 Channel Amp 400W RMS. Free (Found it ages ago in my bros cupboard, and still runs ****ing awesome for running speakers!)
Front speakers: JB 6" speaker specials for now. $20 (Also running some oldschool kicker impulse tweeters and crossovers, Free)
Rear speakers: JVC 4 Way 360W Peak 6x9's. Free
Amp for subs: Cadence Xenith Series 400W RMS Monoblock. $200
10" Subs: Some oldschool pioneer free air ones. Free
12" Sub: US Audio zPower. Free
Sounds good for what I paid.