Pound Cake Design on "[Plugin: W3 Total Cache] Performance droped after update to Plugin 0.9.2.10"

You can revert to the prior version 0.9.2.9 to restore functionality until the developer has had some time to correct the issues:

http://wordpress.org/extend/plugins/w3-total-cache/developers/

Scroll to Other Versions.

You can also just use this URL to import directly from the dashboard:

http://downloads.wordpress.org/plugin/w3-total-cache.0.9.2.9.zip