I am planning on doing some fabrication on Dana 60 axles,bumpers and roll cages. I was thinking about the multi purpose unit 250 pi for the price of $1599 and the choice between the 205 for $999 or 250 arcmate mig welder $1500. The 250 pi weldall and the 205 arc mate have stick welders built in and the 250 is a dedicated mig welder. Need some imput. If money was no option separate units would be good.