If you can swing it, the IMIG 200 will have a little extra power. I have used both and they will run on a 5500+ watt generator with no problem. Add flux core .030 and you are mobile.

Don't get me wrong, the 160 is nice, just for a little more money the extra power will allow a little thicker jobs and a little better duty cycle. When you order, ask for Oleg, tell him you are an active forum member, if we have plenty in stock, I know he will work you a good deal.