Here's a friend of mine's opinion about shoes. He has hiked both the PCT and the CDT now.
Shroomer - Continental Divide Trail Journal - 2012
This is another friend of mine who has section hiked the PCT and has a lot of interesting opinions about shoes and other backpacking gear.
SteelEye's 2007 Pacific Crest Trail Journal, Part of Trail Journals' Backpacking and Hiking Journals
This guy hiked the Appalachian Trail in Chacos. Needed only a couple of pairs. I wish they put those soles on Chacos now. That's the thing I hate the most about my Chacos, that the soles just have no traction for hiking.
Backpacking in Chaco Sandals « Source to Sea
Female, 5'3", 48, Starting weight: 163lbs. Current weight: 135.
Starting squat: 45lbs. Current squat: 145 x 4.