I have almost the same kit, but a 180mm instead of 150mm. And the 350mm as well. I had a very nice Hasselblad kit but sold it in preference of the RZ. I like how it focuses, the rotating back, the ae finder... And i much prefer the bellows focusing. It's such a nice system, I should really use it more!

It is a tank however, so hikes see me with the Mamiya 7 or Bronica rf645 as the weight savings is huge.

Good luck with yours and please post some photos when you can.