Times change. There was a time when the Kurzweil piano was considered by many to be the best. But then, 4MB was alot. As good as the Kurzweil programmers were (are?), it is hard to compete with the 16MB, 64MB, 90MB, and gigabyte pianos out there with only 4MB dedicated to the piano sound. With the Yamaha Motif ES at 175MB ROM (effective), Kurzweil lags, what at 32MB. I just don't think Kurzweil has been aggressive at upgrading technology.