It's OUT NOW! Go get it...
http://www.pocketmax.net/smf/index.php?board=35.0
------------------------------------------------------------------------
Backstory:
Okay, I contacted Bruce awhile back re: a toggle app that controls the behavior of the KB lights on the Treo. After heavily beta testing his PhoneAlarm 1.56 which finally added the Screen light control for the Treo, he agreed to do it.
Turns out it was slightly harder than expected but this morning and after about 12 betas, he resolved all issues and it works well (at least on my device, ahem). So it should be released this afternoon for others to try.
-------------------------------------------------------------------------
What it does/How it works:
Basically, it's a small .exe file that you just drop on your device. Not sure if there will be an installer/cab file.
You can then create a shortcut to that program and map a hardware button to it (I use the traditional side key).
The app is simple: when you press the assigned button, it turns the KB lights off. Hold it again, it turns them back on.
This will save significant battery life, imo, since you don't have to power all 35 LEDs.
It is also
FREEWARE, so make sure you thank Bruce! He spent a good 2 weeks on this and he doesn't even own a Treo!