I selectively scale my graphics to fit within the ram I am aiming for. I will never reduce something to 50%, because that's just too low and results in ugly visuals.
However, reducing by 10% or so here and there, is much more difficult to notice and adds up.
[quote:1jonkr52]Like what games, care to name them?
Virtually every 3D game on consoles and PC reduce and then stretch their textures constantly. Level of detail, fitting into lower specs and other reasons. It's required to fit a wide range of specs, as well as fitting withing the lower ram the consoles have vs. PC.