Has not split yet, but have a short video of what it looks like this today during the splitting process...
http://www.lostmymarblz.com/v-2or3-gbta-fe-01-06.wmv
(320 x 240 pixels, 5.1 MB, 1:10 minutes)
Video of what it looked like the day after it split the first time, January 29, 2006....
http://www.lostmymarblz.com/v-gbta-split-ja-29-06.wmv
(320 x 240 pixels, 8.7 MB, 1:58 minutes)