ReStartMe is a very nice FREE application by S4bb that simulates a battery pull. You do have to subscribe to a newsletter and after you confirm, an email is sent to you with the RestartMe OTA and Desktop install Links.
Restarts the BlackBerry® just by clicking on an icon.
* Hardware reset will be performed.
* No battery pull necessary anymore!
* No ALT+SHIFT+DEL key shortcut needed.
* Fully compatible with BlackBerry® Storm.
* Easy installation.
To get RestartMe go HERE and follow the download instructions!