Having a bit of fun with some low end Casios lately. Next grab is going to be the A-158 or the A-168. Don't really care much about the differences in functions or the light functions. What I would like to know is the difference in case quality between the two. If anyone out there owns both of these could you please educate me as to whether or not there are any significant differences between the two. As far as appearance goes I'm leaning toward the A-158 because of the simple uncluttered face. Are these models both chromed plastic or do they have actual metal casings? Also is it possible to still find one made in Japan?