The price mentioned is high even for a new one. I have a 8900 that I bought 10 months ago and didn't pay anywhere near that. Shop around if you want one. $3000 or there about is a going price for a new one.
To do the decorative stitches you first have to pick the mode and then dial to the stitches. The stitches are arranged by mode on the flip chart at the top of the machine.