Fans check in for 'Couples Retreat' with $35.3 million

"Swingers" co-stars Vince Vaughn and Jon Favreau buddied up for the weekend's top movie as "Couples Retreat" debuted with $35.3 million, while the micro-budgeted fright flick "Paranormal Activity" leaped into the top 10.

Shot for a reported $15,000, "Paranormal Activity" came in at No. 5 with $7.1 million as distributor Paramount expanded it into daylong release after two weeks of midnight-only screenings.