I have a Thermal Dynamics Cutmaster 51
http://www.thermadyne.com/evolution/productLiterature.asp?mernbr=1&div=tdc&catnbr=159&subcatnbr=170&pdtnbr=464 Its awsome. I haven't had any problems out of it. They have a couple models below this one if your not going to use it for heavy thick steel.