Thanks for the quick response.
I looked into the litespeed link. I'll have to look into that more to see if I can use it.
I changed back caching to Disk instead of XCache.
W3TC seems to be an overall issue. I'm considering disabling the plugin, deleting the remnants, and starting over.
My website severely struggles when the plug-in activated (60+ sec load time), and is moderate when deactivated (~5-6 sec)