Seeing as the last lunar lander was in 1976...
Luna 24, (a sample return mission), the last luanr rover was in 1973 (a href="http://www.astronautix.com/craft/lunaye8.htm">Luna 21, and the last satellite to take anything even remotely resembling high resolution orbital images was in 1994 (a Href="http://www.astronautix.com/craft/clentine.htm">Clemintine, comparing the popularity with MER is meaningless. Put a good rover on the moon and send it to some interesting terrain, say around possible ice deposits at the south pole, and you'll get a lot of interest.
Eros was pretty cool, too.