I also have the 11000 se when the 12000 came out I wanted to upgrade but dealer would only give half so I din`t I don`t know about the 15000 but the 12 has much better lighting. bigger hoop bigger stitching I would love to be able to quilt using embroidery quilt design about 11 inch sq as most of my sqs are 12 which I can`t do I never use the magna hoop the softwear is much better on the new machines Gale