You wanna know what I think of graphics in relation to game play? I have two PS3 games, and I am still actively collecting PlayStation 1, Sega Saturn, Mega Drive, SNES, Turbografx, NES, and Atari 2600 games.
GTA4 looks great an accurately depicts New York City in visuals but the combat and driving mechanics are as broken as a crystal bowl carried by a four year old climbing down a stone staircase.
On the other hand, Contra III, Castlevania(1, 2, 3, Super IV, Bloodlines/New Generation, and Symphony of the Night), Gunstar Heroes, Legendary Axe, and various other 2D games provide a hundred times more fun and real challenge (not frustration) because of the limited graphics and the required use of imagination and requisite need for developers to make good games because they can't shroud broken games with pretty graphics. ::breathes::