If you'd like to make a report in TFS that compares the estimated time to complete a task with the actual time, you've probably come across the problem of Microsoft.VSTS.CMMI.Estimate not being reportable.  This is a real pain and very surprising that this wasn't done correctly in the first place considering that Work Remaining and Work Completed are both in the right place. Today I ...

Read the rest at http://mattdotson.com/making-microsoft-vsts-cmmi-estimate-field-reportable-in-tfs/