I agree: The Simpsons (IMO) hasn't been funny in a long while. It still gets the ratings though, something two of my favorites (Futurama and The Critic) never seemed to get.
One of my favorite moments was when "the media circus" swept down on Springfield and the Simpson's home as Kent Brockman and his TV camera crew showed the podunk little trucks for the other networks. Then in rolls this huge, splashy white and Navy blue tractor trailer rig, with