I recently installed a Hard Dog Sport DD rollbar in my 2002. I also got the Hard Dog padding and cover to go with. While SFI padding is great for helmet-to-rollbar contact, it's still pretty hard for bare head-to-rollbar contact. I'm tall enough that could be an issue in a rear-end collision (and I've lost two Miatas that way).
I'm not ready to take the foamectomy route yet. Has anybody found a reasonably nice padding solution? I was thinking about attaching an additional, larger flat pad (maybe 7" tall oval) to the front of the roll bar or head rest to allow the seat and roll bar to share the load of a head impact. Maybe get some sheet padding, cover it in upholstery fabric, etc. Thoughts, anybody?