Our development methology differs from the default scrum template by Microsoft in a significant fact: We do not measure each individual task but estimate the "stories" (the parent work items). However using the new Beta of TFS 11 i realized that the burndown chart is based only on the estimated tasks. I downloaded the template and looked at the xmls and the reports, however i dont think one is able to modify this behavior with only modifying the template.
Is there a "simple" way to implement this behavior in TFS 11 in only the template?