I have a Sizzix Big Shot. I only use it to cut scrappy squares for the Bonnie Hunter Scrap User System. I do not like to applique, plus my arthritic fingers hurt with hand work. So, this is the only thing I use my cutter for. You should look at the dies, and decide exactly what you want to do with the cutter before you buy it.
I think if I was into applique, I would really love it.