Microsoft today announced, via the GamerScoreBlog, the entire selection of titles it will be showing off, and panels it will be presenting at this year's Penny Arcade Expo. Check it all out below:

Friday, August 29

2:00 PM Gears of War 2 

3:00 PM Project Origin 

4:00 PM Gears of War 2 

5:00 PM Popfly 

6:00 PM Project Origin 

Saturday, August 30

10:00 AM Halo Wars 

10:30 AM New Xbox Experience 

11:30 AM Popfly 

12:00 PM Gears of War 2 

1:00 PM Gears of War 2 Signing Session 

2:00 PM Gears of War 2 

3:00 PM Project Origin 

3:30 PM New Xbox Experience 

4:30 PM TBA 

Sunday, August 31

10:00 AM Halo Wars 

10:30 AM New Xbox Experience 

11:30 AM Popfly 

12:00 PM Gears of War 2 

1:00 PM Gears of War 2 Signing Session 

2:00 PM Gears of War 2 

3:00 PM Project Origin 

3:30 PM New Xbox Experience  

4:30 PM TBA