I can only assume that your staff don't make use of many of the features in Learn 9.1. Here's a great example of a "feature" that we have rather a lot of staff waiting for that won't be fixed until SP14.
Broken Image is displayed for Multiple Answer Question When Equation is added from Math Editor
https://blackboard.secure.force.com/btbb_articleview?id=kA370000000GulLCAS&cid=5007000000U2mEIAAZ
A broken image in Chrome - the ALT text in Firefox.