keep in mind this is an extreme test (first half the pan is extremely fast, second half closer to reality)
Rolling Shutter compared: Nikon D90, Canon 5D mark II, Panasonic GH1, Canon 7D Mike Kobal (http://www.mikekobal.com/blog/?p=296)
cheers,
mike

Good work, Mike, thanks.

Well, it's sure easy to see where the term "Jello-cam" came from.

This kind of thing would kill you if you were trying to track/matchmove such a shot!