To me, I think graphics should only be allowed to do so much, depeding on the games. The only time I think High defienition 3D should come into play is if the game has a fear factor to it (Resident Evil, Silent Hill, or Doom) or if the game is a first person shooter. I feel that games like RPGs can have all of the graphics tuning that they want, you can't harm a turn based RPG with graphics. Adventure games work well with 3D but you don't want to make the physics TOO real, or else controlling stuff might be a bit difficult. The only things that should remain 2D are fighters, puzzles, and side scrollers.
What about you? What are your feelings on graphics?