I have the 180 with the older 60's and I can say that just moving from the 150 to 180 was well worth it. It is much closer in tonal balance than the 150 ever was and the bass response across the front with that new center is really great. That is at least in my opinion. I love the 180.

7.1 theater room
60 fronts vp180 center 4 qs8's ep500 sub

3.0 tv room
m3's vp150 center