I was having the same dilema since I have M80. I have enough room for VP180 but choose to go with the VP160 because IMO it looks better for off-axis seating.
So, it is 8 so far for the VP160 pre-order.

2 M80v3, VP160v3, 4 QS8v2, HSU VTF3-MK4
Integra DTR-70.2
Panasonic PT-AE2000U 120in screen