I have a Miller DialArc 250 with running gear, 50' extension cord, and 100' leads on both the stinger and the ground. It also has an AirArc cutting attachment.
I also have Oxy/Acet, Oyx/Propane, and Air/Acet rigs.
For light gauge sheet metal I use a Hobart MIG with CO2 and .023 wire.