erhayes said:If my new car I would have a professional body shop do it. If you mess it up you have yourself to blame. Are you a pro at this or will this be your learning experience?
Clay bar is so much easier and less hassle...
I've taken off paint over spray with clay bar many times and it works great.
A body shop is going to take a buffer to the paint and as mazdaspeedgirl mentioned, you have to be very careful with the clear coat, as it can be worn through pretty quickly.
Not worth it for something that is on the *surface* of the clear coat (you typically only power polish a clear coat when there are deep scratches... so the idea is to even out the surface and reduce/eliminate the scratches [or use a filler like zaino Z5 which will actually fill up the scratches over time]).