UPDATE This is all going in the MR2 (yes, even the two 1200W RMS subs) within the next few days. Being such a small cabin, it is going to be so loud.
Head unit: Kenwood KDC-X400
Door speakers: Alpine SPR-60c (speaker and tweeter)
Amplifier for door speakers: Kenwood
Subwoofers: Two Rockford Fosgate P3s, 1200W RMS & 2400W peak power
Amplifiers for subwoofers: Two Kenwood KAC-9105ds