I have a Kenmore made by Janome - Sears 19-900-and pleased with it. 50 stitches, heirloom , embroidery, and quilting capabilities. It's quiet, easy to operate, has nifty features like needle up/down positions, and stitching in place. I got a great price for it on sale, but I think the usual cost is just below $300.
Ruth Camp did a lot of research a couple months back - look at her threads about what people like and dislike about their machines. I think you'll find them useful.