I am interested; thanks for the link.
Bear in mind, though that the approach mentioned in that article won't magically make everything look better. It mentions things like environment artists meddling with lights and making them really bright to avoid making other things dim and stuff like that, and it's highly likely that switching to being gamma-correct would require someone to look through the light placement in every cell in Morrowind.
We won't really know that until gamma correction exists in OpenMW (pretty please). I'm fairly certain the result will be vastly preferable to any popping behavior either way.
Meanwhile, can we be confident the vanilla use of linear attenuation really the issue here - the sole reason for light pop-in? I tried to mess with Oblivion's attenuation to see if the effect could be replicated there, but it appears to just ignore any changes to attenuation in my testing. Skyrim afaik doesn't have attenuation settings available.
Another curious fact is that (using fully quadratic lighting) while pop-in can still be observed in some cases with a standard torch, the Light spell appears to fare better - I can't detect any pop-in at all.