My Barudan has a 460 X 434 max field. We've had 8 jobs in the past 6 months that needed a larger field. One of the jobs was big. We had to use the sash frame for the single head Tajima. What a pain that was. No, we don't use the large size every day but it's there when you need it.
I went on line and looked at both of them. The one with the larger field looks just like mine, only 1 head instead of 4. If you plan on staying in the business I would get the bigger sewing field. Not so much because of the sewing field but the machine is a better built piece of equipment and will serve you well for many years. It will have better resale value if you decide to upgrade to a larger machine. I've had mine for almost 7 years and have never had a problem.
I went on line and looked at both of them. The one with the larger field looks just like mine, only 1 head instead of 4. If you plan on staying in the business I would get the bigger sewing field. Not so much because of the sewing field but the machine is a better built piece of equipment and will serve you well for many years. It will have better resale value if you decide to upgrade to a larger machine. I've had mine for almost 7 years and have never had a problem.