You probably have heard about Sandbox Designs Competition. Yes, it’s a WordPress theme design competition. In this contest, all participants only needed to modify the stylesheet of the original Sandbox theme. This competition announced the winners. Congratulation to Arpit Jacob for his Sandpress design!
So, if you use Sandbox theme, you can use all designs submitted in the contest. Choose your favorite theme, upload to your WordPress theme folder, and enjoy it.
Useful shortcuts:

• About the Sandbox
• All submitted designs
• Sandbox Design Live Preview