One of the many great features I love about using BlackBerry is the amount of customization we get when it comes to ring tones and notifications. As well as easily setting a ring tone you can can also assign tunes to certain contacts if you so desire. But it's notifications tones that get my juices flowing, so to speak. Being able to have a different tone for every single application I use...

Power Tools hands down has to be my most used productivity application. It combines several must-needed applications into one. From tracking your battery, having a homescreen wallpaper changer, choosing a Custom LED for contacts, apps, and messages, to blocking incoming calls and messages and scheduling event sounds and alarms. It's a full-featured application that fully enhances the BlackBerry...