I guess you can file this under 'Pride Comes Before a Fall'. As detailed
here, the way my employer's plan is written makes it very annoying, and basically infeasible, to execute the purest form of MBR.
I'm doing in-plan conversions for now, but I'm not sure if I'll want to continue that long-term.
I hereby turn in my Badassity credentials. If you need me, I'll be sitting in the Chair of Ignominy. You can find that by taking your first left into the Hall of Shame, and continuing until you reach the Gallery of Mortification.