One of the things that has been lacking from SCOM is the ability to pull in additional details into the email alerts. As much as we would like it, not everyone uses the SCOM console. Being able to provide Knowledge information in the email alert would be a great feature add. Right now, in order to do this, we have to generate alerts using a PowerShell script, but this is not a great solution. First, it adds complexity. SCOM has plenty of that on its own, no need to add more :) Second, it does not scale due to the async processing limit that is imposed on command notification channels. The fact that once the limit is reached, SCOM simply drops the workflow and does not even bother to retry. This means missed notifications.
The native alert notifications should support HTML formatting as well as being able to pull in data from the monitor/rule that triggered it (such as knowledge and company knowledge)