What added features will I receive if I upgrade to the Professional Online Calendar service?

The Professional Online Calendar service provides the following features:

-Removal of all advertising
-Your service limit is increased to allow 2500 events and appointments with a maximum of 60 recurring
-Ability to view and post up to ten years in advance
-Ability to disable the Image Verification
-You will be able to view entries made in the previous year, and all of the months from this year
-You have the option to remove the community bar at the top of your Calendar