I do own the Grudge DVD because I'm also a huge fan of Jason Behr, KaDee's husband, and Sarah Michelle Gellar. The cast commentary is awesome.
I think I have seen all of her films.
I just saw her in one of her first films, Bomb The System. Her part was really small. She played Toni, a gangster type character with a hoodlum accent. The accent was kinda bad but even dressed as a tomboy she looked pretty...and very physically fit.
You can tell she really likes to work out, even these days. She's got awesome arms.