Here's a prelimary list of the Blizzcon coverage for Diablo (The full schedules aren't listed on the site yet though)
You can download an Iphone or Android App with schedule & Map & event planner.
Friday, Oct 21 (Full Schedule)
Diablo III: Gameplay and Combat Systems 12pm-12:50pm, Blizzchat: Live Forums
Diablo III: Skill, Passive and Rune Systems 1pm - 1:50pm, Blizzchat: Live Forums
Diablo III 4:30pm - 5:30pm, Lore Zone
Diablo III: Gameplay & Auction House 4:45pm - 5:45pm, Main Stage
Saturday, Oct. 22 (Full Schedule)
Diablo III Lore 10am - 11am, Panel Discussion Stage
Diablo III Open Q&A 11:30am - 12:30pm, Main Stage
Diablo III: Gear and Items 12pm - 12:50pm, BlizzChat: Live Forums
Diablo III: Lore and Story 2pm - 2:50pm, BlizzChat: Live Forums
Blizzard Cinematics: Diablo II - Making of "Black Soulstone" 3pm - 4pm, Lore Zone
Diablo III 3pm - 4pm, Lore Zone
There's an hour each day in the Lore Zone that doesn't have a title yet. Does anyone think that they are saving any secrets for blizzon/new things to announce - or is it basically going to be going over what we're seeing from the beta reviews?