Triple home button clicks from Lock screen and iPhone unlocks itself for 10 seconds. To finalize unlock hit home button or launch any application. Otherwise phone will lock itself after 10 seconds.
Dock Bar on Lock Screen. Phone, Mail, SMS, Calendar application can be launched directly from Lock Screen. You can also check check the badge icons for these icons from Lock Screen.
Email, SMS, MMS, IM, Call, Voicemail notification in status bar, not compatible with iOS5.
moving the Volume Hud to the bottom right hand corner
Have the Lockscreen charging battery rest on your lock slider.