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I've bought several scores from all 3 bureaus over the last year from Myfico, and they ALL ARE WORTH IT.
I've been able to learn small details of the game from each bureau because I've made a ton of changes to my report and was able to dissect what each bureau felt about that paticular change. I've even been able to learn indirect or implied theories from studying how all 3 react to any little scenario change. I bought a report every single time, and myfico got rich off of me.
I can't really put into words the details I've learned from spending all of that money, but my knowledge now has no value....