IMHO I wouldn't macro basic attacks like this. With the chance to be interrupted you run the risk of just standing there and getting smacked. It's better to turn off subtarget select, target your mob and use the hot bar.
I use Macros for a quick Blissful Mind + Raise and gear changes... thats it.. other than that i scroll through the hot bar. I like seeing my timers (when they work) and it's typically fewer key strokes if you arrange your hot bar by defense/offense/buff abilities.