MH , T5 are all proven.
But efficiency of each is different.
LED is still in discovery stage. So many factors is overlook .
Today most decent LED light set come with all the control you need.
Whether is timing or intensity, dawn,dusk, sunrise,sunset, lunar cycle are
becoming standard .
Some even come with wifi remote and most can be daisy chain up to at
least 30 units.
Only the very cheap model just come with standard on/off .
Shop around on internet. You will see what is common in market today.