Blender 3D : Use Text FX addon for your text effects.

The Text FX addon is a addon to animate text and numbers.
After install press the N key and you will see a TextFX tab in the right area of Object Mode.
You can start add text Simple or Advanced and then select the effects for this text.
Pretty easy to use it.
This addon can download it from blenderartists.org.
A simple video tutorial from the New Media Supply channel.