1. You need to set a filter on your BIS account to not forward sent messages to your inbox...follow these steps for each email account.
http://www.blackberryforums.com/gene...-handheld.html
2. Try BB Alerts...you can set the color and events for which you get alerts. Look in the Aftermarket Software forum here for this thread:
http://www.blackberryforums.com/afte...ry-alerts.html
3. Yes...press the Shift key (the one to the right of the 0 key) while you roll the trackball.
4. You can use any MP3 you want...I use a classic phone ringer I found searching around a bit via google...