[Yosemite Sam]

This is like Deja vous all over again, I believe we got into this a few weeks ago. And a year before that and a year before that...

This is nearly as bad as the hydro/gear drive debate. There is no resolve to this topic, some people love them, and others don't know the point of them (no pun) and many of us simply don't see a need for them.

Depending on your method of timing an engine, I can see how the little light could help.