HOLDOVERS: Will Smith’s “I Am Legend” beat expectations with a record December opening of $77.2million. Even if its receipts drop by more than 50percent, it will still gross about $35million and challenge for second place.Look for “Alvin and the Chipmunks” to continue its stunning performance. Its $44.3million opening was also a stunner, and it should remain in the top five with at least a $25million second weekend.MILESTONES: “Legend” will sail past the $100million milestone by Sunday. Inching ever so close – at a much slower pace – is Disney’s “Enchanted,” which could get a nice boost now that the kids are out of school.EXPANSIONS: A quartet of Oscar-caliber flicks are easier to find starting today.“Atonement” and “Juno” are now in 200-plus locations, “The Kite Runner” expands to 350 sites, and “The Savages” is playing in 60 [email protected] local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! AD Quality Auto 360p 720p 1080p Top articles1/5READ MOREWhicker: Clemson demonstrates that it’s tough to knock out the champTHE FORECAST: I just saw “Treasure,” the sequel to the 2004 surprise Disney smash, at the ArcLight, and it was a load of fun. Since it will be playing in a whopping 3,500 theaters and should have widespread appeal, I’m picking it to come out on top of the pack with a $45 million debut.The young guys are gonna flock to Sony’s “Walk Hard,” which was written by Judd Apatow (“Knocked Up” and “40 Year Old Virgin”), pushing the film to a $20million to $25million opening weekend.Then, you gotta figure Hanks and Roberts will draw a lot of adults to see Universal’s “Wilson,” based on a true story and directed by Mike Nichols to take in at least $15million to $18million.Depp can be hit or miss at the box office, but I expect “Sweeney Todd” to add to his already dazzling 2007. (“Pirates of the Caribbean: At World’s End” grossed $309.4million domestically.) Since the musical from Paramount/DreamWorks is in just 1,000 theaters, it will not be able to contend for a top-three finish. But it can rack up an impressive per-theater average, take in maybe $10million, and begin strong word-of-mouth momentum.I fear that “P.S.” from Warner Bros. will get lost in the shuffle and struggle to reach even $10million. I know that the Christmas holiday is a primo time to roll out a movie, but did the studios really have to give us five wide releases this season?And these don’t seem to be throwaway flicks.You’ve got Oscar-winners Tom Hanks, Julia Roberts and Philip Seymour Hoffman in the drama “Charlie Wilson’s War,” Oscar-winners Nicolas Cage, Helen Mirren and Jon Voight in the adventure sequel “National Treasure: Book of Secrets,” Johnny Depp in the musical “Sweeney Todd: The Demon Barber of Fleet Street,” Gerard Butler and two-time Oscar winner Hilary Swank in the romance flick “P.S. I Love You,” and former Oscar nominee John C. Reilly in the highly anticipated comedy “Walk Hard: The Dewey Cox Story.”Whew!