I had it done a few weeks back. They did tell me beforehand that the pill could pass in less than 8 hours, and that was fine. Just how extensive or useful the photos are when it passes so fast, I don't know. However, not that it's a sure thing, but, it could lead one to believe you have very little stricturing. Alternately, depending on how your overall feeling, it could also indicate you may or may not be absorbing all you need from your food, also.
I would hope others could add their experiences. My nurses weren't the most knowledgeable; they tried to tell me if the pill got stuck, that wouldn't be a bad thing because I'd probably need the surgery anyway! My pill passed in 12 hours, or so.