I personally like the pedigree for an event horse.
She has Roman, Man O' War, and Nasrullah (some of the top lines for producing nice sporthorses). If you look on
www.sporthorse-breeder.com in their article section they have an article called Thoroughbred Bloodlines Successful in the USA by Dr. Peter Birdsall. It's a really good article and is very informative about some of the influential tb stallions for hunter/jumpers, eventers, etc.
And the Bloodhorse in their Blog Stable--The Five-Cross Files have one called Thoroughbred Bloodlines for Performance Sports. It's pretty interesting too!