I think the F242 is also a great F-boat "trainer" with the benefit of being able to camp inside of it.
You can thrash it, not get into too much trouble, and it keeps coming back for more.
Beach cat is a better teacher of high-performance multihull skills, but is not as conducive to camping...
I saw Francois Perus (designer of the 880) in a talk once and he said they did extensive testing of the 880 prototype in the waves off Hawaii, made some tweaks based on what they found, and were ultimately very pleased with the resulting big wave performance.
Lots of Farrier/Corsair boats have also sailed the VanIsle360 and Race to Alaska, both of which are about 650 NM and have plenty of exposed sailing and rough conditions.
You definitely want to spend a couple of years with the boat before you do something like that, but the boat is not the...