I'm from the "buy once, cry once" camp
I wouldn't buy anything but a Hypertherm but that's me. The first one I bought was a new Hypertherm Powermax 30, it did OK up 1/4" but struggled with 3/8". No I have a Hypertherm Powermax 900 that will sever 1 1/8" steel, cut's 3/8" like butter. One thing...