Wow, that IS impressive! Is is safe to assume all the rating changes are
proportional? In other words, if you overdrive a bulb by two you doulble
the wattage and decrease it's life by 50%? Thanks for the suggestion.

Arnim
"
Have you researched overdriving Normal Output Fluorescent lamps? Pretty
easy, affordable, and effective.
I just finished a project myself. There are some before and after photos
in
alt.binaries.aquaria if you're curious to see the difference.