The GSoC projects are halfway now. To get a quick glance of results sofar, below is a list of videos showing progress:

3D sound and sound editing

By Joerg Mueller

Motion Capture

By Benjamin Cook

Automatic UV Seams

By Shuvro Sarker

COLLADA im/export

By Sukhitha Jayathilake

Dynamic Wave Generation

By Miika Hamalainen

Chinese Blender UI

By Xiao Xiangquan

Weight Painting Improvements

By Jason Hays

UV Editing Tools

By Riakiotakis Antonis

Camera Tracking

By Sergey Sharybin, video: Sebastian Koenig