Make sure you all upgrade to at least version 2.226 of the ‘cache’ plugin from Settings > Upgrade
There are some big speed improvements out and hopefully you notice them too.
For example: on a very large testing database I was having a 10 second loading time for the dashboard, this has now dropped down to 2.5 seconds.
Please let me know via the forums if you have success with this. It’s great to get feedback.