Sorry, I know I haven't gotten my impersonations. You can download something here:
http://www.4shared.com/zip/JbpUYPen/Impersonations.html?
I do indeed have a Palpatine impersonation there. I don't even remember what I said, but you can try it, and I will try to get you something better soon. I'm really so busy I just can't keep up with everything.