Jerky as hell in the menu for me whilst overclocked. Trying without now.
Jerky whatever I do. Do not like.
I'm not alone http://forum.xda-developers.com/showpost.php?p=18969888&postcount=8457
The worst part for me is r3 and final both don't recognise my usb connection.
EDIT: Apparently I had usb debugging checked in settings/applications/dev . No idea what done that. :S Fixed the problem unchecking it though .