My SGE hotbars:

I keep most of my healing stuff on the first one (old habit I had since ARR)


On the second is where I keep my DPS and some of the healing oGCDs I use frequently


The third is where I keep my res, rescue, quick/surecasts, and extra stuff

Hope that helps. °˖✧◝(⁰▿⁰)◜✧˖°