No California for Rachel Alexandra and thus likely no Zenyatta matchup - ever. Me thinks JJ while a resident of California isn’t exactly pro Cali racing 
Assoc Press June 24, 2009 “Rachel Alexandra to skip Breeders’ Cup”
Jess Jackson said Wednesday that he isn’t willing to run the 3-year-old filly on the synthetic surface at Santa Anita in November after a fourth-place finish by his two-time Horse of the Year Curlin in last year’s Breeders’ Cup Classic, also at Santa Anita.
Rachel Alexandra returns to the track for the first time since her Preakness win, when she runs in Saturday’s Mother Goose at Belmont Park.
Jackson is uncertain what the rest of the year holds for his filly, but he did not rule out races against the boys.
He mentioned the Delaware Handicap, the Haskell Invitational and the Travers as possibilities.
Please, please, please let her go to Saratoga for the Travers Stakes!!

Edited to add a bit more:
Schenectady Gazette June 24, 09 “Summer stay likely for Rachel”
Jackson said on a national conference call this afternoon that he expected to bring a large part of his Stonestreet Stable horses to the Spa, known for its tradition, history and lucrative purses.
“You have to read the horse and see what her condition is before you can set a full calendar for her,” Jackson said. "I’d love to run her in the Travers. I’d love to run her in the Alabama. We just want to make sure she’s in top shape and ready to go when we run her.
“I’m not inclined to go to the Breeders’ Cup,” Jackson said. “I have a very strong dislike for the plastic, and I don’t believe she should be exposed to that.”
Jockey Calvin Borel, who has won six straight races with Rachel, all in graded stakes, will be back aboard on Saturday. Unlike the Belmont Stakes, where he ran third with Kentucky Derby winner Mine That Bird, Borel expects to ride at least one other race prior to the Mother Goose.
Borel also stopped short of guaranteeing a victory like he did with Mine That Bird during Belmont week.
“I have a lot of confidence in the filly. I think she’s the best horse I’ve ever been on in my life,” Borel said. “I don’t go back on my word too many times. She’s looked so good training out here at Churchill. She’s doing so good. We’ve got nothing to prove.”