I have just seen the last episode last week (was going to do a thread specially for it, and :-
CSI NY is by far the 2nd best of the series, and had an excellent finale too, and they weren't mean that they had a cliffhanger to the next series in it, you know the bad news already (oops).
CBS shows are by far and away the best from the US (in general, House should have been a CBS show)