keybindings - ult

i know the default ult key is R and that is ok for me but frankly i can do better. i changed my ult key to TAB because i find that my pinky is resting on that key all the time anyways and technically its a bigger key on my keyboard and is easier to hit (not that R is terribly difficult). this frees up my pointer finger for summoner spells on D and F. of course this is all personal preference but has anyone else done the same or am i just loco? [katarina-love]