Are Speed Ovens Worth It and Do Cook Times Change

Seeing these new "speed ovens" as we look at a new kitchen. Does anyone have experience cooking with these? I know theyre pricey, and surely have a learning curve, but would hate to pursue it without talking to someone whose cooked with one. I read "faster cook times," but is that just faster time to temperature? or do I all of a sudden need to rethink all cook times for everything going into the oven?