A agree with the last few comments. Except that I thought that the only way to get statistics on a particular item was to select that item from the Test statistics report, so does it make sense to have it appear as a separate tab?
Does it make any sense to copy the old item analysis report to contrib for people who want it? (I can't think why they would.)
Also, in terms of ordering the tabs, is it feasible to give plugin authors some control over the order of the tabs? Is there some way that each report can return an integer (the standard report could return 100, 200, 300, ...) and then sort the tabs on those numbers before displaying? Just a thought, not important. I think at the moment it does the standard reports in a pre-defined order, then any extra plugins in some order.
Sounds good to me detailed was an unneeded trace of old "detailed statistics"
Just tell me if the decision is final and I will update responses lang file accordingly.