Music is “Research Lab” by Dark Flow ( http://www.myspace.com/darkflowelectronica )
Read more geeky details and download the full-resolution video at http://fractaljourney.blogspot.com
The final magnification is 2.1×10^275 (or 2^915). I believe that this is the deepest zoom animation of the Mandelbrot set produced to date (January 2010).
Each frame was individually rendered at 640×480 resolution and strung together at 30 frames per second. No frame interpolation was used. All images were lovingly rendered by 12 CPU cores running 24/7 for 6 months.
Self-similarity (mini-brots) can be seen at 1:16, 2:30, and at the end 5:00.