Not sure when the episode will get aired in the U.S., but Rubens Barrichello took on the Top Gear test track recently. See the link for the video on the AT&T/Williams F1 web site;
http://www.attwilliams.com/multimedia/video/204
That's right ... the fastest F1 driver on the track to date ... faster even than the Stig.
Go Rubens!
