i think ill add a few dollars and get a korg or yamaha down the road. i have the wk7600, i like it for what it does and price, it has a mixer issue ,you cant mix while playing live on stage , it takes you out of arranger mode. oh well, it looks nice. sad to hear. btw i stand corrected on the os in my earlier post. did you try saving your edit to user style after each variation before editing the next variation? just curious if that would work