No, this is the usual time of the season that they air reruns...but I gotta tell ya, ER is losing me to Without a Trace by showing stupid puff shows about the 6.5-years-dead Princess Diana instead of reruns from earlier in the season (several of which I missed the first time around). ER has been in decline for the last 3 seasons, I'm surprised they would be willing to send their remaining audience looking for another 10pm Thursday drama.
(Incidentally I had never watched Without a Trace before last week. It's a pretty good show. I'll be wathing it when ER isn't on from now on, I think. Thanks for the recommendation, NBC!)
guinevere