That's what seems so awesome about ID's megatexture is that it become easy to make something look good and your framerate rocks. Doesn't hurt to have everything look painterly and awesome. in a way, they have not only freed people of texture limts, but geometry limits as well. you don't have to have strictly modular pieces…
That goes without saying, but I specifically mentioned a time limit for the lifespan of the next-gen consoles, what kind of advancement can we look forward to with tools (to make easier and less shoddy normals for example) and what will newer engines allow us to do? Rage's megatextures do change your workflow at least to…