I have a Kodiak 100 for island hopping / back country trips. And I have an AN-2. Haven’t even turned the engines over in either one yet. That’s another part of this: If I jump into a ‘study-level’ cockpit, it’s going to take me many months to learn everything, program Spad functions into my peripherals, etc.
This is not an “I think I’ll just mess around with this PMDG airliner for a little while” kind of thing. It’s how I work. I want to master one thing, and buy everything, intending to learn it all someday. 
Maybe I’m seriously underestimating the ability of the Fokker F28 to actually make it around the world.
Seems I hear things like, “I’m going around the world in my C172” around here from time to time.