I'm putting a set of JL ZR650-CSI's in my 370z, no rear speakers, and a JL 10w6v2 in a sealed box. SQ is my priority for this system.
I currently already own a JL 300/2 amp and a small pioneer amp that is rated 40w x 2 RMS, though this might be underrated some.
I could just bridge the JL amp...