Sure, I'd go with those two. Another place I'd look at would be the caldara plain on top of Olympis Mons, or perhaps the surface of Phobos.
Originally posted by SkyeLab
@Sep 13 2004, 12:14 PM
a] Hellas Basin and b] Valles Marineris
In any case, I'd want the rover to be equiped with the tools needed to measure isotope abundances so that we can get an idea of the age of the rocks being observed. Ultimately what makes a place valuable to observe has a lot to do with the instruments on the rover.
Forming opinions as we speak