I tried the new sleep mode (available when you press and hold the power button). But it seems messed up: when I press the power button to turn it back on, it often does a full reboot, ending up in in airplane mode.
Has anybody else had problems with it? (I am running the non-rooted GB).
I noticed mine did not work in the non rooted version.
I am now running the rooted deodexed version and it seems to be working fine.
I'm not sure if one of those versions fixed it or not. but mine is working now.