Lumos Settings

I know alot of people are using Lumos now. Just curious as to what your settings are and how you think its affected your battery life (if any at all) through the day.

When I say settings I mean your Floor and Ceiling values which range from 1-10 (w/10 being the brightest)

Link to the thread if you don't have it: http://forum.xda-developers.com/showthread.php?t=450318