Okay let me look at my MSRP main system):
7002s - $2,400
CLR3000 - $1100
UTW-BP surrounds (2 pair) $800
Prosub100 - $500
============
$4,800
Marantz SR8002 $2000 ( but I paid much less)
ratio = 2.4 so I am under-ratioed

, but the next upgrade is an SVS-PB13-Ultra