Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Well my iPad 4 hasn't locked up since the update so maybe they have finally got it right. Would like to know how the ipad 2/3 are fairing as I have one of each that I haven't upgraded yet.
 
All fixed. Hard reboots power button and home button did nothing for me, a simple shut down via power button slide to power off fixed.

8.1 seems ok to me.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.