Prevent WP-Cache from Caching index
Disable caching on WordPress index pages when using WP-Cache with this neat mod to the famously speedy cache plugin.
Hack WP-Cache for Maximum Speed
If you desire SPEED from your WordPress blog, the #1 speed improvement comes from using the WP-Cache Plugin. If you still desire SPEED after installing the Plugin, you can modify the WP-Cache Plugin code to make your blog even faster!