Ok im currently taking a welding course and now i need/want one for myself. I no im getting a mig and either Miller or Lincoln. These are the ones my teacher recomended to me what do you suggest i get? He can supposedly get me these at these prices, what do yall think? SP-175 Plus - $709 without tax http://www.mylincolnelectric.com/Catalog/equipmentdatasheet.asp?p=7083 SP-175T $633 without tax http://www.mylincolnelectric.com/Catalog/equipmentdatasheet.asp?p=2519 MillerMatic 175 $688 without tax http://www.millerwelds.com/products/mig/millermatic_175/ If anyones used these or had any experiance with these id apreciate your input on them. Also any sugestions you can make. And lastly are these decent prices?