With regards to answering the actual question, there are no reported specific issues currently. Other than that we do experience Intermittent slowdowns on CCGI that are as a result of issues with the backend storage.
We've had plans in place to replace the storage and the new kit has arrived, but due to the activities of the last few weeks it's been pushed back slightly.
We'll be keeping Service Status updated with the latest when we're ready to go ahead and commence the upgrade. The latest is here :