Publisher Sega was rather to the point with their latest announcement for Valkyria Chronicles, they had news on some new DLC, and it's called 'Challenges from Team Edy'.
It's for PS3, due in winter 2010 and will "test your strategy skills" with all new missions. That's it, that's all Sega are spilling on the matter. It's out next year so plenty of time to dish.
"Today, Sega announces new downloadable content for Valkyria Chronicles on PS3. 'Challenges from Team Edy' will test your strategy skills in all new missions! The DLC content will be available Winter 2010," said Sega. See, short and sweet just like I foretold.
See the trailer for Valkyria Chronicles below, it might tide you over till you reach your PS3.