As my major character Tyralus, I will have very, very little to do with magic, I may RP some dabbling in magic to overcome his fears, and if so, completely avoid red.
As a second character, I would have an insane magic user who is studying only the red way, as it seems like it has the potential for fun. I even have a fun story loosely thought of in my head.
Perhaps one day I will create a character that uses different ways... perhaps a combination of white/blue (I use those colours often on Magic: The Gathering.