Over at the Asimov’s forum, Rich Horton just posted the table of contents to his two year’s best volumes for 2008. I’ve bolded stories from F&SF:

Science Fiction: The Best of the Year, 2008 edition

• Greg Egan, "Dark Integers" (Asimov’s, 10-11/07)
• Bruce Sterling, "A Plain Tale From Our Hills" (Subterranean, Spring)
• Charles Coleman Finlay, "An Eye for an Eye" (F&SF,June)
• Karen Joy Fowler, "Always" (Asimov’s, April-May)
• John Barnes, "An Ocean is a Snowflake, Four Billion Miles Away" (Baen’s Universe, 8/07)
• Ekaterina Sedia, "Virus Changes Skin" (Analog, October)
• Paul Di Filippo, "Wikiworld" (Fast Forward 1)
• Tim Pratt, "Artifice and Intelligence" (Strange Horizons, 8/6/07)
• Ken MacLeod, "Jesus Christ, Reanimator" (Fast Forward 1)
• Robert Reed, "Night Calls" (Asimov’s, 10-11/07)
• Jack Skillingstead, "Everyone Bleeds Through"(Realms of Fantasy, October)
• Nancy Kress, "Art of War" (The New Space Opera)
• Holly Phillips, "Three Days of Rain" (Asimov’s,June)
• Alexander Jablokov, "Brain Raid" (F&SF, February)
• Mary Robinette Kowal, "For Solo Cello, Op. 12" (Cosmos, Feb/Mar)
• Will McIntosh, "Perfect Violet" (On Spec, Summer)
• Geoffrey Landis, "Vectoring" (Analog, 6/07)
• Michael Swanwick, "The Skysailor’s Tale" (The Dog Said Bow-Wow)
   

Fantasy: The Best of the Year, 2008 edition 

• Daryl Gregory, "Unpossible" (F&SF, October/November)
• Kelly Link, "Light" (Tin House, Fall)
• Zoran Zivkovic, "The Teashop", (12 Collections and the Teashop)
• Noreen Doyle, "The Rope" (Realms of Fantasy, April)
• William Alexander, "Buttons", (Zahir, Summer/07)
• Holly Phillips, "Brother of the Moon", (Fantasy)
• Andy Duncan, "A Diorama of the Infernal Regions", (Wizards)
• Rachel Swirsky, "Heartstrung", (Interzone, 6/07)
• Carrie Laben, "Something in the Mermaid Way" (Clarkesworld, March)
• Matthew Johnson, "Public Safety" (Asimov’s, 3/07)
• Benjamin Rosenbaum and David Ackert, "Stray" (F&SF, December)
• Marly Youmans, "The Comb" (Fantasy, December)
• Garth Nix, "Sir Hereward and Mister Fitz Go to War Again" (Baen’s Universe, 4/07)
• Karen Joy Fowler, "The Last Worders", (Lady Churchill’s Rosebud Wristlet, 6/07)
• Theodora Goss, "Singing of Mount Abora" (Logorrhea)
• David Barr Kirtley, "Save Me Plz" (Realms of Fantasy, October)
• Erik Amundsen, "Bufo Rex" (Weird Tales)
• Ian R. MacLeod, "The Master Miller’s Tale" (F&SF, May)
   

He notes that "each volume is waiting on author approval for one story."