For me no macro is better...
Not sure how people use these macro efficiently. I mean if you use the example 1 in a BOSS fight, you have to make sure your mouse is NOT over some other player every time you want to heal the target.
And if you want to heal some <mo> target, you need to look for them (range will be spread out from each other and melee all stack together).
The only macro I use are Aero <tt> and Stone II <tt>