Version 5.1 of the wiki is going to be arriving at the end of May. The upgrade brings a number of great features that will make your content creation quicker, easier, and more elegant.
The editor will undergo a significant improvement. Rich Text and Wiki Markup have been merged into a single editor that gives a more realistic view of your changes. Learn more about the changes to the editor (made in version 4) by watching this video:
Stay tuned for more info!