I am rating this episode as good, but let me be clear - it was not funny at all. My ratings are a measure of the story content, the way this episode was paced, and finally some indication of closure.
Something tells me that they've done something like this before. I don't know - I get the deja vu all the time. But still, the whole concept of what would have happened, I had done this instead of that and explaining every single detail of it is something I've seen before. Barney doing 200 women, Robin throwing up on handbags, and Marshall fooling around with charts were way too silly. I think this episode is crucial in a lot of ways. Bringing back Sarah Chalke may in a way confirm that she is the mother. Anyway, its time to end the show, and I am happy if they plan to do so soon.