SH4 has a new parameter hardcoded and that is correspondly reflected in the menu.ini, allowing to re-scale the 2D items. Basically when applied it seems to rescale everything keeping the 4:3 aspect and using either the original heigth or width of the object as base, depending on what you set the menu-ini to do. Karamazov knows a lot more than me about this, you can find the relevant info here:
http://www.subsim.com/radioroom/show...28&postcount=7