HU - $300 - Nak
Components - $150 - Focal upgrade special from
www.zalytron.com Amp - $120 PG from
www.etronics.com Sub - $200 Lambda PB 12"
www.stryke.com Sub amp - $200 many to choose
Rest for install. That would be a killer setup, with some good tuning, could try SQ competition.