As a major fan of the original Diablo, I have to say that I am both thrilled and frustrated by Diablo II.  Thrilled because it is essentially the same game only with more options (more character classes, more skills,  larger levels, etc.).  Frustrated because of one design choice Blizzard  made that makes life tedious: unlike Diablo, Diablo II does not save the  state of monsters and items in the dungeons.