It would be very useful (specially when involving customers to the scrum) having scrum fields instead of  one big text field:

Instead of Description with Acceptance Critera it would be very useful for "scrumers":

As a _______________

I want ______________

so that _____________

Acceptance Criteria (functionnal):

_______________

Acceptance Criteria (non-functionnal):

_______________

Is it also possible to implement custom controls for "user story" items too?

Regards,
Harald-René Flasch (aka hfrmobile)