Funny to see this thread again, LOL
Currently main system is a CX-830 and MX-830, CDX-730 and EQ-550.
In the closet and other assorted places throughout the house, garage and a storage unit:
RX-360
RX-450
RX-460
RX-550
RX-750
RX-V850
AX-450
AX-750
RXV-1
CX-630
MX-630
and 5-6 CD players...