My FICO's run in the very top 600's and very low 700's, but I must say, there have been a ton of folks that have helped me out in learning how to better my credit and dispute items from my BK.
I think the difference is that there may be people who just recently went through a BK and are already working on their scores that may already have a pretty good handle on how to work through the process. I, on the other hand, ignored my scores after my BK and just dealt in cash mostly and now 6 years later, I am trying to clean up the last little bits. If I had started all this years ago, I would probably have a better idea of what does and doesn't work.
I would encourage everyone to share whatever particular knowledge they may have. You never know when someone else out there may be having the same problem that you have already dealt with.