The British Military teach the towering takeoff for singles and twins as it is easier to carry out a vertical abort following a power failure or just running out of power.
The US Army/Ausralian Army/FAA max power technique is a cross between a cushion creep and a normal transition and, while it gets you accelerating towards ETL quickly, requires you to nominate an abort point where you must have enough room to get back to the hover/land before you hit the obstructions ahead.
I have tried both in singles and twins and personally prefer the towering method in a twin- I would rather be sure I was going to clear the obstacles before I transition. In a single its relatively academic - if the donk quits you're going down regardless