I had the Crown, and I carried it last spring and into summer until I decided to return it to REI after serious suspension failure in frameless mode. Despite being advertised as frameless up to 25 lbs., I only found the framesheet usable to about 30 lbs., and frameless not at all. (I realize that you haven't mentioned using it without the framesheet, but I do find it relevant given how GG advertises the pack.)
Based on the photos, I would agree with the consensus that it fits, but is on the short end. My worry is that, based upon my experience with the pack, the frame would collapse too much at heavier loads and really shorten the effective torso length very quickly. You don't have a lot of room for adjusting it.
FWIW, the reason GG advertises the torso length as so long is that they are measuring from where the shoulder straps attach to the bottom of the hipbelt. That measurement would be 19.5" on the pack, thus the reason you have a couple of inches of wrap with a approx. 19" torso. Of course, when you measure your torso, you do it from the iliac crest to the C7 vertebra, which usually equates to the middle of the hipbelt depending on individual preference.
Even given this discrepancy, I still don't get how they could advertize this size all the way up to 21". Personally, the variety of misleading marketing claims surrounding this pack has soured me on the company a bit.



