Which Mig welder to buy?

When we needed one at work i was going to get another H-140 like mine. Local Praxair had the Millermatic. Decided to go with that so I would have support/service nearby. Had to send it for warranty after a couple uses cause i was going through gas too quick. Figured out the gas valve was not sealing when off. Works good now. Have yet to see any advantage of the Miller over Hobart for a few $100 price diff. Someday when i am bored i might bring mine in and open them both to compare