I did not order XR7 this time as it was $$$$ and i was not certain how the boat would perform, and i had some resale value concerns. Having lost a boat load of cash on Malibu's, (with SC motor), i went much more conservative this time.
No doubt the XR7 would be better for cruising, as my cruise speed is 22/23 with the 16x13. However my lakes are small and the 16x13 with H6 does fantastic. If i were on bigger lake i would see much more benefit.
I plan to keep 3 years, if this continues to be reliable, my 2020 Ri257 will likely have the XR7, but i am also content with out it.