I haven't decided yet either, but a friend I mentioned it to said I should take Regina, being that I live so close Regina (Saskatchewan)
Like geography should count for privilege
But I want someplace that hasn't been done to death or nearly so, some pristine bit of wilderness, for reasons similar to yours and more. I'm looking at a couple in The Marches, near 567-908 (I think I even looked AT it), we might even be neighbours, close enough for a trip on the ol Type-Y now and then 
But back to your topic, I'm reading with interest
Well, Faldor's been sketched up pretty good by the Keith Brothers; even so, I'm sure you could carve out a cute niche there. But if you got a somewhat more techically advanced world, maybe we could get the Scouts onto 567-908... it seems that the Imperium doesn't mind interfering with locals; I wonder if they can do it gently?
Of course, there's always Flexos... or Squallia...
So there are at least three things going for 567-908 (not exclusive to the world, but available):
The IISS I figure the Scouts might want to set up some sort of barebones operation on 567-908. There must be some of those Xenosophontologists in the IISS, foaming at the mouth to study a "new" people.
World Conquest, Old School A massive wargame scenario is practically handed to us on a platter, ripe for development. A tiny bastion of civilization, and a sea of barbaric nomadic tribes. It's Makassar all over again. All you need is a cadre mission for player characters, and iterate "training sessions" with the Mercenary mass combat rules...
Indiana-Jones Archaeology Not one but
two completely destroyed civilizations, with exquisite stonework. Lots of boring road fragments, which should lead to excitingly dangerous ruins. Okay, the 100,000-year-old ones might not be exciting. I dunno. Maybe they can be. But the 6,000-year-old ones are "practically new". There's got to be political intrigue coupled with dungeon crawls there.
Adventure Hooks There are a scad of other hooks that at least bear mentioning, with the amount of detail that you'd find in a JTAS article. A security mission protecting the world from Pirates. An itemized list of hunting misadventures for a variety of nasty flora and fauna on the world. Pursuing Denuli Crystal thieves across half the subsector. A standoff with Sword Worlders, or a Shivva. Having to leave behind a downed air/raft, and trudge across plains brimming with annoyed creatures and hostile nomads. Could even throw in a pre-Maghiz Darrian outpost (yes, they were there, but I don't think they set up shop). Oh yeah, fun times.