I'm not sure. On my Pre there was a "Mode Switcher" app that could change power status / brightness / etc. based on date, time, and many other things (similar to Tasker on Android) but I don't know if it would work on a TouchPad.

Even if it doesn't, I think the homebrew community is going to get a nice shot in the arm with this fire sale, and someone will come up with something.
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- Tony C
my empeg stuff