Cubes is a 2 column, clean and elegent wordpress theme.
Theme “Cubes” is distributed under Creative Commons Attribution 2.5 license.
If you are using the theme then you shall not remove the link of developer’s website from the theme.
Pros:
Valid XHTML Theme.
Very Clean and neatly organised items.
Everything is big like Header, Fonts etc so your visitors will never have any problem in reading your posts. They can read far away relaxing on their chair 
Cubes is a free resolution theme (liquid design).
Large eye catching RSS button image.
Above all its free
Cons: You have to decide and post it in comments.
We have tested the theme and it works smoothly on all browsers and different monitor resolutions.
Demo :
Cubes Demo
Download it now!
Let us know if you have any suggestions.
Thanks.. Its really a nice and clean theme..
Do you have adsense version also available like you have for your ‘bubbles’ wordpress theme?