According to the official Starcraft Twitter page, the fourth Battle Report is almost ready..
 
They are now translating the battle report, to different languages and is expected to be announced very soon.
 
Stay tuned to get the latest Starcraft 2 Battle Report 4.

Blizzard has released the second Battle Report, four months after the first one. The battle report features improved artwork, animations, new abilities and much more.

For those who doesn't know, the Battle Report is a gameplay video commentated by StarCraft 2 developer Dustin Browder. The video demonstrates the changes and features in the pre-beta game.

The video shows a match between Terran and Zerg, featuring Blizzard developers David Kim and Matt Cooper, on a 1vs1 map called "Blistering Sands".