Here's my take so far:
[u]July 3rd[u]
Yes      Public Enemies, starring Johnny Depp and Christian Bale
No.      Ice Age: Dawn of the Dinosaurs, starring Ray Romano, John Leguizamo, and Denis Leary
No.      I Hate Valentine's Day, starring Nia Vardalos and John Corbett
[u]July 10th[u]
Maybe      Brüno, starring Sacha Baron Cohen
No.      I Love You Beth Cooper, starring Hayden Panetierre and Paul Rust
Maybe.      Blood: The Last Vampire, starring Gianna Jun and Allison Miller 
 will consider it, but so many bad/emo/teeny vampire movies
No.      Humpday, starring Mark Duplass, Joshua Leonard, and Alycia Delmore
[u]July 17th[u]
Yes      Harry Potter and the Half-Blood Prince, starring Daniel Radcliffe, Emma Watson, and Rupert Grint 
 looking forward to this
No.      (500) Days of Summer, starring Zooey Deschanel and Joseph Gordon-Levitt
[u]July 24th[u]
No. Ugh.      G-Force, starring Will Arnet, Penelope Cruz, and Zach Galifianakis
Probably. Katherine Heigl
      The Ugly Truth, starring Katherine Heigl and Gerard Butler 
 would consider sitting on razor blades to see her in a movie.  Just sayin.
No.      Orphan, starring Vera Farmiga, Peter Sarsgaard, and Isabelle Fuhrman
Must check this. Lauren Graham
      The Answer Man, starring Jeff Daniels, Lauren Graham, and Lou Taylor Pucci
[u]July 31st[u]
Maybe      Funny People, starring Adam Sandler, Seth Rogen, and Leslie Mann
Dunno.      Aliens in the Attic, starring Ashley Tisdale, Robert Hoffman, and Carter Jenkins
Dunno      Adam, starring Hugh Dancy, Rose Byrne, and Peter Gallagher
Dunno      Janky Promoters, starring Ice Cube, Mike Epps, and Young Jeezy
[u]August 7th[u]
Maybe      Julie & Julia, starring Amy Adams, Meryl Streep, and Chris Messina
Yes      G.I. Joe: Rise of Cobra, starring Dennis Quaid, Channing Tatum, Marlon Wayans
Dunno      Shorts, starring Jimmy Bennett, James Spader, Kat Dennings
[u]August 14th[u]
Yes      District 9, starring Sharlto Copley, David James, Jason Cope
No.      Ponyo, starring Cate Blanchett, Matt Damon, Liam Neeson
No.      Taking Woodstock, starring Demetri Martin
No.      Bandslam, starring Alyson Michalka, Vanessa Hudgens, Gaelan Connell
Dunno      The Time Traveler's Wife, starring Eric Bana, Rachel McAdams, Ron Livingston
Maybe      The Perfect Getaway, starring Milla Jovovich, Steve Zahn, Timothy Olyphant 
 will check this  I like the heist-type movies
Dunno      Paper Heart, starring Charlyne Yi, Michael Cera
Dunno      The Goods: Live Hard, Sell Hard, starring Jeremy Piven, Ving Rhames, David Koechner
[u]August 21st[u]
Yes      Inglourious Basterds, starring Brad Pitt, Diane Kruger, Eli Roth
Dunno      Post Grad, starring Alexis Bledel, Michael Keaton, Carol Burnett
No.      Halloween II, starring Scout Taylor-Compton, Tyler Mane, Malcolm McDowell
Dunno      The Boat That Rocked, starring Philip Seymour Hoffman, Bill Nighy, Nick Frost
Dunno      The Final Destination, starring Nick Zano, Krista Allen, Andrew Fiscella 
[u]September 4th[u]
Dunno      Gamer, starring Gerard Butler, Michael C. Hall, Ludacris
Maybe      Shanghai, starring John Cusack, Li Gong, Chow Yun-Fat 
Maybe      Pandorum, starring Dennis Quaid, Ben Foster, Cam Gigandet
Dunno      Extract, starring Jason Bateman, Kristen Wiig, Ben Affleck
[u]September 11th[u]
Dunno      I Can Do Bad All by Myself, starring Tyler Perry, Taraji P. Henson, Adam Rodriguez
Yes      9, starring Elijah Wood, Jennifer Connelly, Crispin Glover 
check the trailer on this one  cant wait!
[u]September 18th[u]
No. Ugh.      Cloudy with a Chance of Meatballs, starring Anna Faris, Bill Hader, Bruce Campbell
Maybe      Armored, starring Columbus Short, Matt Dillon, Laurence Fishburne
Maybe      The Informant, starring Matt Damon, Tony Hale, Patton Oswalt
No.       Love Happens, starring Jennifer Aniston, Aaron Eckhart
Dunno      Splice, starring Adrien Brody, Sarah Polley, Delphine Chanéac
[u]September 25th[u]
Dunno      Surrogates, starring Bruce Willis, Radha Mitchell, Ving Rhames
Dunno      Fame, starring Kelsey Grammer, Bebe Neuwirth, Megan Mullally
Dunno      The Invention of Lying, starring 
and ensemble cast
Maybe      Whiteout, starring Kate Beckinsale, Gabriel Macht, Tom Skerritt
Maybe      Astro Boy, starring Freddie Highmore, Nicolas Cage, Kristen Bell
[u]October 2nd[u]
Dunno      Shutter Island, starring Leonardo DiCaprio, Emily Mortimer, Mark Ruffalo
Dunno      Sorority Row, starring Briana Evigan, Rumer Willis, Carrie Fisher
Dunno      Zombieland, starring Jesse Eisenberg, Emma Stone, Woody Harrelson
Dunno      Couples Retreat, starring Vince Vaughn, Malin Akerman, Jon Favreau
Dunno      Whip It!, starring Ellen Page, Drew Barrymore, Kristen Wiig
[u]October 16th[u]
Maybe      Where the Wild Things Are, starring Max Records, Catherine O'Hara, Forest Whitaker
Maybe      The Road, starring Viggo Mortensen, Charlize Theron, Kodi Smit-McPhee
Dunno      The Stepfather, starring Penn Badgley, Dylan Walsh, Sela Ward
[u]October 23rd[u]
No. Ugh.      Saw VI, starring Tobin Bell, Tanedra Howard
Dunno      Ameila, starring Hilary Swank, Richard Gere, Ewan McGregor
[u]October 30th[u]
Dunno      The Box, starring Cameron Diaz, James Marsden
Dunno      Youth in Revolt, starring Michael Cera, Portia Doubleday, Ray Liotta
[u]November 6th[u]
Maybe      A Christmas Carol, starring Jim Carrey, Gary Oldman, Colin Firth
Maybe      The Wolf Man, starring Benicio Del Toro, Anthony Hopkins, Emily Blunt
Dunno      Precious: Based on the Novel Push by Sapphire, starring Gabourey 'Gabby' Sidibe, Mo'Nique, Paula Patton
[u]November 13th[u]
Maybe      2012, starring John Cusack, Thandie Newton, Chiwetel Ejiofor
[u]November 20th[u]
No. Ugh.      The Twilight Saga: New Moon, starring Kristen Stewart, Robert Pattinson, Taylor Lautner
[u]November 27th[u]
Dunno      Nine, starring Daniel Day-Lewis, Marion Cotillard, Penélope Cruz 
 Why are there 3 movies with 9 in the title, and 2 are called 9???
Dunno      Ninja Assassin, starring Rain, Rick Yune, Naomie Harris
[u]December 11th[u]
Yes      The Princess and the Frog, starring Anika Noni Rose, Keith David, Oprah Winfrey
Dunno      The Lovely Bones, starring Rachel Weisz, Mark Wahlberg, Saoirse Ronan
Dunno      Did You Hear About the Morgans?, starring Hugh Grant, Sarah Jessica Parker, Sam Elliott
Dunno      Avatar, starring Sam Worthington, Sigourney Weaver, Michelle Rodriguez
[u]December 25th[u]
Maybe      Sherlock Holmes, starring Robert Downey Jr., Jude Law, Rachel McAdams
Maybe      Something Good, starring Meryl Streep, Steve Martin, Alec Baldwin
No. Ugh.      Alvin and the Chipmunks: The Squeakquel, starring Jason Lee, Zachary Levi, Drew Barrymore 
[/ QUOTE ]
Youve done a lot of research here, Viv  I havent heard of about half of these.  Thanks for making me a new list!! 
