Is it possible to make changes to the default combat text?

[Wowguy25]

I know there are a ton of combat text add ons but the 1 problem they all have is that the combat text is in the UI instead of in the game world. As a healer I really want to see my heals on top of whoever receives them, not in a static place. So therefore I'm wondering if it's possible to edit the font and colours of the default combat text (or if there miraculously is an add on that does not suffer from the above mentioned problem).

I'm also wondering if I can somehow get rid of the annoying proc messages like surge of light and archangel. I have other indicators for those in my UI and really don't need the text spam they produce.